Consumer Electronics

specification1. Measurement range: 0~25% VOL2. Maximum overload: 30% oxygen3. Response time: <15 seconds4. Sensor type: electromagnetic O2 sensor5. Use ambient humidity: 15~90% RH6. Power: 3X1.5VAA battery Package Included1 x Oxgen gas detector (without battery)1 x manual

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Description:1. Weight: 435 g2. Noise: below 36 dB3. Size: 10 x 8.5 x 16.5 cm4. Rated voltage: 220 v5. Rated power: 500 w6. Power supply: AC7. Applicable area: below 10 m8. Air supply method: no page turning and no shaking9. Plug type: EU、US 110v、UK

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1. Size: the cable is about 1.5 meters long2. Weight: about 60 grams3. Microphone type: condenser4. Applicable objects: mobile phones, computers, cameras, recording, meetings, etc.5. Packing list: microphone x2, metal clip x2, windproof sponge x26. Features: active pickup technology, which can filter noisy sounds in the background, capacitive technology, sensitive response, high reduction, drop resistance and durability, energy saving and low consumption

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1. Dedicated interface for sound card: interfaces for microphones, musical instruments, mobile phones, etc. adapted to small and medium-sized diaphragms2. Smart compatible mobile phone/computer live broadcast3. DSP chip professional sound pickup and noise reduction4. Intelligent dodge + elimination of original sound, born for live K song5. Cool breathing light, with Bluetooth function, wireless connection is more efficient6. 6 large adjustment knobs, finely adjust the sound input and output7. Preset 8 interesting modes: electronic tone/dodge/changeable/monitor/chat/call microphone/sing/snap original sound8. 16 kinds of live broadcast special effects, easy and funny live broadcast room

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1. CPU: Allwinner H3, quad-core, 2.0 frequency 2. GPU: Muti-core Mail 400 3. WiFi: 2.4G 4. Android 4.4 system 5. Output resolution: 1080P, 60fps 6. WiFi: 2.4G 7. RAM: 1GB, ROM: 8GB

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1. Four pickup modes: stereo, omnidirectional, cardioid, bidirectional 2. Three Blue proprietary 14 mm capacitive diaphragm capsules 3. USB connection, no need to drive, plug and play 4. Adjustable gain, instant mute 5. Microphone required power/power consumption: 5V, 150mA 6. Microphone sampling rate: 48KHz 7. Microphone bit rate: 16bit 8. Microphone frequency response: 20Hz-20KHz 9. Microphone sensitivity: 4.5mV/Pa (1KHz) 10. Microphone sound pressure level: 120dB 11. Headphone amplifier impedance: greater than 6 ohms 12. Headphone amplifier output power (RMS): 130mW 13. Headphone amplifier signal-to-noise ratio: 100dB 14. Frequency response of headphone amplifier: 15Hz-22KHz 15. Diameter of the outer ring of the shock mount: 17.5cm 16. Shockproof frame material: extruded aluminum, nylon, rubber 17. Clip-on cantilever bracket material: extruded aluminum 18. Rotation range: 360 degrees 19. Horizontal movement distance: 81.3cm

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1. Input voltage: DC4~12V2. Output voltage: DC2.5~8V3. Output power: 5W (do not use it with overload)4. Function description: suitable for common 5.0V USB fans on the market5. How to use: Plug the male head of the governor into a mobile phone charger, power bank, computer USB, etc., and then insert the fan plug into the female head of the governor to use6. Adjustment method: knob adjustment (clockwise increase, counterclockwise decrease)7. Features: strong wind and weak wind can be adjusted at will, fan stepless speed regulation, wide voltage input compatible with multi-speed power supply.8. The module is a speed-regulating fan module designed according to the principle of high-frequency switching power supply. The essence is to control the speed of the fan by adjusting the output voltage.9. Matters needing attention: When used to adjust the fan in two gears, please set the fan to the first gear, otherwise the speed may not be adjusted.10. Size: 50x18mm

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1. According to the time set by the user, the power of various electrical equipment can be automatically turned on and off2. Scope of application: production equipment, street lights, light boxes, neon lights, warehouse exhaust and dehumidification, agricultural breeding, radio and television and other electrical power control products3. The program supports 16 sets of switches per day, different periods of on-off can be set every day of a week, with program memory, one-time setting, long-term cycle4. LED display, more accurate data5. Soft rubber keys, easy to operate6. Clear wiring diagram, clearer to use7. Power supply voltage: 220V/110V/24V/12V8. Travel time error: 1 second/24 hours9. Timing times: 16 times on and off10. Display device: LCD11. Power consumption: less than 2W12. Control power: 16A13. Internal battery: 1.2V 40mA rechargeable button battery14. Timing range: 1 minute -168 hours15. Ambient temperature: -25-65 degrees Celsius

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1. Resolution: 640*480. 2. Sensor Size: 1/5 inch. 3. Waterproof wire endoscope, waterproof level: IP67. 4. Use optoelectronic technology to investigate hard-to-reach area. 5. It helps you to diagnose broken part, weld point and machine equipment to save time and increase productivity. 6. It has built-in 8 LED lights (with brightness control) on camera head to illuminate the inspection area. 7. Support computer & mobile phone: Android and windows operation system.

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1. Fill light life time: 120 minutes2. PTZ battery capacity: 400mAh3. Lamp capacity: 600mAh4. Material: ABS+aluminum Alloy5. Gimbal battery life: 2 hours6. Mini folding design, easy to carry7. 3 kinds of light colors can be selected8. Can rotate 360 degrees9. Remote wireless remote control hidden storage, not easy to lose, remote control within 10 meters10. Can be stretched to 72cm as a selfie stick11. Folded size: 151x69x56mm12. Weight: 210g

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1. DSP smart chip, more efficient processing of human voice, clearer and more stable sound quality2. Compatible with mobile phones, desktop computers, tablets, laptops, Android, iPhone3. Function: male to female voice/female to male voice/magic voice/children voice/electronic voice, one-click application to easily stir up the atmosphere4. It can be connected to a computer or mobile phone for music accompaniment during the live broadcast to make the live broadcast more vivid5. Intelligent dodge, suitable for a variety of occasions6. Input voltage: 5V7. Battery capacity: 500 mA8. Dimensions: 10 x 7.5 x 3 cmpacking list:Sound card x 1Accompaniment cord x 1Live line x 1Charging cable x 1

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1. Material: ABS2. Lens: F/8 28mm3. Shutter: 1/100s4. Application: 135 film5. Film speed: ISO 2006. Format: 135 negative film7. Number of sheets: 8 sheets/roll8. With underwater waterproof shell, can record wonderful moments underwater9. The ideal shooting distance outdoors is five meters10. Since it is a wide-angle lens, keep your fingers away from the lens when shooting11. When shooting in the sun, it is better to shoot with the sun behind your back12. Dimensions: 10.5x7.3x4 cm13. Weight: about 180 gramsFilm installation method:1. Open the waterproof case2. Turn the back cover switch to open the back cover3. Lift the film spool with your fingers4. The notch side of the film is up, and the upper and lower holes are stuck on the lens shaft and the rubber shaft5. Close the back cover and turn the gear to the right until it stops.6. It can be used normally (no battery required)The package contains:- Camera x 1- Waterproof case x 1- Film x 1- Manual x 1

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1. The easy-to-carry storage bag is specially designed for the second generation of 4K TVs and fits perfectly.2. Large protective bag: Made of EVA material, this storage bag can protect your device and remote control from impact and damage.3. Convenient design: The inner zipper pocket design is very suitable for storing accessories, and the smooth and sturdy 360-degree zipper ensures easy opening and closing.4. Safe and convenient: the hard EVA material is semi-waterproof, shockproof and durable, so this bag can protect your device from impacts and splashes.5. The perfect choice for travel: This storage bag is light and compact, and can be placed in a backpack, carry-on luggage or suitcase for convenient travel.

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1. Material: plastic/hypa2. For Shark NV350/NV351/NV35 series3. Made of high-quality materials, more durable4. Real machine opening film, highly matching5. Easier to clean and reusable6. Can clean up dust and small garbage more quickly7. Size: filter about 11x7x5.5 cm 8. Weight: about 120 gramsPacking list:- Filter x 1- Sponge x 1- Felt filter x 1

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1. Purpose: Video converter2. Support system: No system requirements3. Input wired signal, output video signal4. AV input and output ports, suitable for all TVs5. With remote shutdown, timing shutdown, 10 minutes no signal automatic shutdown function6. Wide voltage range (110-240V) switching power supply has high efficiency, low heat generation, safety and reliability7. The operation is simple, convenient, and the display is clear, and the volume and channel operations are displayed in the tuner window8. The receiving signal is stable and reliable, and can receive and store 251 channels of TV programs, adapting to the needs of future cable TV networks9. Operation tips: Connect the TV AV port, enter the AV mode, turn on the TV, directly press the remote control SEARCH to quickly search for channels, or press the MENU button, right to the default column, press the down arrow to automatically search, press the right button to Automatically search channel sound in settings10. Unit weight: 0.5kg

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1. Type-C, DC5V input port, current is 1A (max) 2. The red light of the two-color indicator light is always on when charging, and the blue light of the two-color indicator light is always on when the battery is fully charged. 3. Short press the start button, the fan and spray will start at the same time (the first fan is activated by default), short press again to adjust the fan position, press once to increase the gear, when it reaches the third gear, press the button again to turn off the fan and spray .Three-color indicator light shows the gear position, the first gear is red, the second gear is green, and the third gear is blue; the pure white indicator is the spray working indicator, and the pure white indicator is on when the spray is started. 4. In the case of starting, short press the spray button to turn off the spray. The pure white indicator light goes out, short press the spray button again, the spray is turned on and the pure white indicator light is on. (a. When the fan is not turned on, the spray cannot be turned on. B. Turn off the fan and the spray will be turned off). 5. When the sensor board detects that there is no water, the spray stops working. 6. Short press the light button, RGB lights up, long press the light button to fix the color, short press again to turn off RGB. 7. When there is no external power supply, when the battery is low, the charging indicator will flash red quickly until the fan stops working and the red light goes out. 8. Parameters: Input voltage: DC5V Charging current: 1A Working current: 0.2A-1.6A Working power: 1W-8 W Standby current: 88uA Motor speed: 1700rpm, 2185rpm, 2675rpm Wind speed: 1.57m/s~2.71m/s Water usage time: 12h Battery life: 1.5h~5h Fan current consumption: 0.24A, 0.48A, 0.9A

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Features1. Measure thickness of surface coatings on metal substrates 2. Single/continuous/differential measurement available 3. Zero-point/2-point/basic calibration available 4. Metric and imperial units of measurement optional 5. Powered by 2 x 1.5V AAA batteries (not included) 6. LCD backlight 7. Auto power offSpecifications1. Measuring range: 0 - 1.80mm (0 - 71.0 mil) 2. Resolution: 0.01mm/1mm 3. Measurement error: +-0.03mm 4. Lower diameter of substrate: 50mm 5. Lower thickness of substrate: 0.5mm 6. Operating temperature: 0 - 40 celsius degree 7. Operating humidity: 10% - 95% relative humidity

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Specification1. Movable part: movable coil type 2. Pointer materials: Nickel Silver Strips 3. Pointer color: Black 4. Direction of pointer swing: From left to right 5. Pointer length: 30+/-1mm from the center axis to the end of the needle 6. Pointer width: 0.45 +/- 0.05mm 7. Direction of use: Vertical 8. Operating temperature limit: -10 degree C to + 60 degree C RH 35 to 85% 9. Storage temperature limit: -20 degree C to + 60 degree C RH 35 to 85% 10. Solder condition: Put the terminal about 3 mm into a tin plate with a temperature of 230 degree C. The placement time is 3.5 seconds. After this test, 7-14 items remain normal. 11. Solder temperature: hold the solder gun at 350a?? for 3.5 seconds, and the front end of the terminal is about 3mm in contact with the solder gun. After this test, items 7-14 remain normal. 12. Anti-static: use dry nylon cloth to test the transparent cover surface in the same direction for three times. Mark the pointer difference below 1/3 of the scale length, and return to zero after three seconds. 13. Light bulb specification: DC12V 12W Note: Do not put the meter in direct sunlight, and store the meter in the packing box to prevent foreign matter from entering the meterElectrical Performance1. Standard test conditions: temperature 20 degree C, humidity 70%, no difference in test results, it can also be tested under normal temperature and humidity. 2. Electric influenza degree: Pointer sensitivity 1mA+/- 5% from zero scale to uppper scale (full scale position) 3. Internal impedance: 50ohm+/- 5% 4. Insulation impedance: above 500V DC plus 50M OHm for the charging circuit of the meter outer box. Insulation impedance between the casing of the meter and the charging circuit is tested at 500V DC voltage. 5. Zero position: the meter is in a standard position. The place where the front end of the pointer is integrated with the zero scale center is the reference. The permissible error of the overlap between the pointer and the zero scale is +/-1mm. 6. Equalization: Permissible error range ??±1mm when the standard position of the meter is tilted 90 degrees before and after use. 7. Stick pointer: instantly add three times the full scale current over current, slowly reduce to 1/2 of the electric flu reading, then the pointer will return to 1/3 of the scale. 8. Friction: The error range of indicating point ??±1mm when the electric current is added to the meter and slowly increased or decreased to a certain value. 9. Braking: Instantly add 2/3 of the current of the dial plate, within one second from the beginning to the position indicated by the pointer.Special Test1. Over load test: input ten times the full scale current every five seconds, repeat this action for nine times. Each time is 0.5 seconds, 7 to 14 items remain normal after this test. 2. Vibration test: After the meter is packaged, it is shaken up and down by 4mm every 1,000 times per minute on the vibration plate, 10 minutes in each direction. After this test, 7-14 items remain normal. 3. Impact test: The meter fell from a height of 30cm to a 3cm thick board after being packaged, and the test was conducted in three directions,X.Y.Z, 7-14 items remained normal after this test. 4. Reliability test: Electrofluence limit remains within standard after 100,000 correction point current inputs. 5. Environmental impact test: Temperature 50a??, humidity 85%, lasting 100 hours, after this test 7-14 items remain normal. 6. Terminal tension test: the terminal must bear 1 kg tension, lasting for 60 seconds.

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1. Menu operation and color screen high-definition display. 2. It can quickly, non-destructively and accurately measure the thickness of the non-magnetic coating on the magnetic metal substrate and the thickness of the non-metal coating on the non-magnetic metal substrate. At the same time, it can automatically identify the magnetic metal substrate and the non-magnetic metal substrate. 3. Two measurement methods: single measurement and continuous measurement. 4. Three calibration modes: basic calibration, offset calibration, and zero calibration. Metric/English units and storage function. 5. Screen rotation, charging protection, multi-interface display, screen brightness selection. 6. Widely used in manufacturing, metal processing, chemical, commodity inspection and other testing fields. 7. Support USB and battery power supply. 8. Measuring range: 0-1500um/0-1.5mm/0-59mil 9. Lower limit diameter of magnetic metal substrate: 12mm 10. Lower limit thickness of magnetic metal substrate: 0.5mm 11. The lower limit radius of curvature of the magnetic convex substrate: 2mm 12. The lower limit radius of curvature of the magnetic concave substrate: 11mm 13. Lower limit diameter of non-magnetic metal substrate: 50mm 14. Lower limit thickness of non-magnetic metal substrate: 0.5mm 15. Battery: 3 x 1.2V Ni-MH battery or 5V 1A power adapter 16. Weight: 132g 17. Dimensions: 150 x 65 x 30mm

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1. Material: plastic2. High efficiency particulate air filter3. Easy to install and replace4. Changing the filter can increase the service life of the vacuum cleaner5. Hypa filter is good at reducing the smell of pets, tobacco, cooking smoke, etc.6. Effectively help improve cleaning efficiency and save cleaning time7. Convenient installation and disassembly, highly matched with the equipment8. Size: about 13.5x2.5 cm/13.5x3 cm9. Weight: about 155gPacking list:- Filter element x 1- Filter x 1

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1. Using PT2399 reverberation chip, with NE5532 op amp, it can mix human voice and music, which can realize independent adjustment of music volume, microphone volume and reverberation time to achieve K song effect2. It can be used for DC 12-24V power supply or AC 5-12V, which can be directly used for various digital power amplifier boards. If the power supply voltage is the same, the power supply can be shared3. Input voltage: DC12-24V4. Reverberation chip: PT239995. Microphone input: 26. Knob spacing: 24MM Microphone spacing: 17.6MM7. Output channel: 2 channels8. Frequency response range: 25HZ-17KHZ9. Appearance size: 117 x 53MM10. Weight: 75 grams11. Note: Only adjustable loop microphones can be used, other microphones such as condenser microphones, pole microphones, and headphone microphones are not available.

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1. Material: plastic2. Use environment: home3. Applicable area: 101-150 square meters4. Suitable for Dyson V11/SV145. When the sweeper is working, filter the dust6. Stable cleaning performance and long service life7. Effectively help improve cleaning efficiency and save cleaning time8. Convenient installation and disassembly, highly matched with the equipment9. Weight: 125g10. Size: 13x9x6.8 cm

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1. Material: plastic2. Use environment: home3. Applicable area: 101-150 square meters4. Suitable for BLACK&DECKER BSV2020G /BSV2020WAPB5. Rugged and durable, long service life6. Isolate dust and harmful gases, and clean the air7. Effectively help improve cleaning efficiency and save cleaning time8. Convenient installation and disassembly, highly matched with the equipment9. Weight: about 165g10. Size: 246mm

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1. Material: plastic2. Use environment: home3. Applicable area: 101-150 square meters4. Suitable for Dyson TP04 / TP05 / HP04 / HP05 / DP045. Rugged and durable, long service life6. Isolate dust and harmful gases, and clean the air7. Effectively help improve cleaning efficiency and save cleaning time8. Convenient installation and disassembly, highly matched with the equipment9. Weight: 980g of filter screen, 850g of activated carbon screen10. Size: filter screen 18x18 cm, activated carbon screen 13x13 cm

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1. Material: plastic2. Applicable area: 51-100 square meters3. Suitable for irobot roomba 6 series4. The real machine has high adaptability and strong practicability5. Strong and durable, not easy to damage6. Cleaning and cleaning, long service life7. Note: Two main brushes are sold as a pair8. Dimensions: main brush 19.5 cm, filter screen 12.5x8.5 cm, side brush radius 6 cm9. Weight: about 255gPacking list:- Main brush x 1 pair- Filter x 3- Side brush x 3- Screw x 3

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1. Material: plastic2. Suitable for Mijia STYJ02YM / MVVC01-JG3. Use environment: home4. Function: fixed mop5. Applicable area: 150 square meters or more6. Easy to bond, durable7. Dimensions: 300x155 mm8. Weight: 150g/piece

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1. Material: plastic2. Suitable for Mijia STYJ02YM / MVVC01-JG3. Use environment: home4. Function: fixed mop5. Applicable area: 150 square meters or more6. Easy to bond, durable7. Dimensions: 300x155 mm8. Weight: 150g/piece

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1. Bluetooth version: 5.1 2. Charging interface: Type-C 3. Effective distance: about 10 meters 4. Battery capacity: 3.6V 2500mah 5. Large-caliber professional pickups, full and undistorted vocals 6. One key to eliminate the original song, easy to use 7. Sound card-level DSP chip noise reduction, no noise 8. Size: 96x96x226mm

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Features1. Plug & play: Easy to use, switch on and plug in the receiver to connect automatically. The cell phone microphone has a mini body, it is an easy clip-on mic and enhances personal privacy protection, portable storage bag allows you to take it anywhere. This clip-on mic is a tailored gift for whom loves live stream, vlogging, recording video, etc. 2. Compatible Android devices: Wireless lapel microphone compatible for Android Phone/ Tablet with USB Type-C port, suck as suitable for Samsung S21 / S20, Note 21/20, LG G8 / G7, OnePlus 8, Samsung Tab S7 / S6 / S6 Plus, A7 etc. and laptop with USB-C port (Support OTG function). 3. Performance wireless system: The transmission mic built in rechargeable battery. 20M/65Ft Barrier-free connection, 360 degree omnidirectional sound reception, recording every detail. 4. Real-time auto-sync technology: The wireless mic supports multi-channel real-time mixing, it can synchronize the background music for phone and human voice in real time, reduce the video post-editing, offers professional full band audio. 5. Support phone charging: The receiver with input charging interface, support phone chargingSpecificationsPerformance parameters: 1. Chip: Professional 2.4GHz wireless microphone chip 2. Microphone Sensitivity: -38dbm 3. Normal mode recording sample rate: 44.1K 4. Noise reduction mode recording sampling rate: 32K 5. Transmit power(MAX): 10dbm 6. Indoor barrier-free straight distance: 15-20 meters 7. Outdoor barrier-free straight distance: About 10 meters 8. Charging port: Type-C 9. Material: ABS The working current parameters of the transmitter (TX): 1. Battery capacity: 70mAh (LIR1254) 2. Power off power consumption: 2.6uA 3. Power consumption: 4mA (Power on no pairing with the receiver ) 4. Power consumption: 10mA (Power on and pairing with the receiver) 5. Power consumption: 6mA(Entering silent mode ) 6. Charging current: 70mA The working current parameters of the transmitter (RX): - Power consumption: 16mA(Plug-in phone)

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1. Camera light source: 9 adjustable LEDS2. Working temperature: 32-113 degrees Fahrenheit (0-45 degrees Celsius)3. Waterproof: IP68 (only for lens)4. Battery capacity: 2600mA5. Front camera focal length: 5cm-500cm6. Focal length of side camera: 3cm-500cm7. Front camera resolution: 1960*10808. Side camera resolution: 1960*10809. Main control chip pixel: 5 million pixels10.Sensor pixels: 2 million pixels11. Viewing angle: 70 degrees12. Support system: Android, IOS13. Photo format: MJPEG14. Video format: MP4

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1. C2 Portable pack designed for Quest2 and BOBOVR M2 features high compatibility and large storage space. As long as the headband is less than 15cm (6in) high, it can be put in. Compatible with official Elite headbands and various types of straps (DAS wristbands are not currently supported)2. It adopts a simple design language, which conforms to the original style to the greatest extent, and gives consideration to appearance design and practical functions.3. The surface of the phone case is made of beautiful textured fabric material.4. EVA 6.5 mm thick, pebble shaped, resistant to drop, impact, dust and splash, better protect your beloved Quest25. There are multiple areas inside the case to accommodate the Quest2 host and controller with a big head strap and a receptable cable/charging bag.6.C2 carrying case external dimension :380 MM X 242 MM X 160 MM

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1. Audio source input: Bluetooth + AUX + U disk + computer USB (plug and play)2. Adapter power supply: DC5-24V (high voltage is recommended for high power)3. Output power: 50Wx24. Adapted speakers: 10-100W, 4-8 ohms5. Number of channels: Left and right dual channels (stereo)6. Bluetooth version: 5.07. Transmission distance: More than 15 meters, no obstruction8. Bluetooth name: Wuzhi Audio9. Protection mechanism: Overheating, overcurrent, short circuit protection10. Power supply voltage:-12V: 8 ohms / 12W + 12W, 4 ohms / 20W + 20W-15V: 8 ohms/1 8W+ 18W, 4 ohms/30W+30W-19V: 8 ohms/30W+30W, 4 ohms/40W+40W-24V: 8 ohms/40W+40W, 4 ohms/50W+50W11. Size: About 6x6x2.9 cm12. Weight: About 96g (including packaging)13. Reminder: There will be enough output power only when the audio input is enough and the power supply/current is enough. the higher the power supply voltage, the higher the relative power, and speakers with different impedances will have different output powers. In the case of sufficient voltage and current, the larger the horn ohms, the smaller the relative sound power

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1. One key to start recording, easy to use2. Intelligent voice control recording, if there is sound (more than 30 decibels), it will record, and if there is no sound (or less than 30 decibels), it will be listened.3. You can add a password to the recording file, encrypt and protect your data security4. With its own delete function, unnecessary files can be deleted directly without computer operation5. Automatically save the file when the battery is low, and then shut down6. Small and portable, mirror design7. Charging time: about 10 hours8. Recording time: 25 consecutive days9. Built-in 4600mAh polymer lithium battery10. Recording format: WAV11. Music format: MP3, WMA, WAV12. Sampling rate: 48KHz13. Number of bits: 192Kbps14. Product size: 65 x 25 x 26mm

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1. Turn on the recording mode, just use your finger to gently turn the switch to NO2. Built-in high-sensitivity recording chip, high-definition recording at a distance of 80 meters3. Intelligent voice control recording, recording when there is sound (more than 30 decibels), and listening when there is no sound (or less than 30 decibels)4. Connect the OTG adapter to play and manage files on the phone5. Battery: Built-in 100mAh polymer lithium battery6. Charging time: about 1 hour7. Sampling rate: 48KHz8. Recording format: WAV9. Product size: 13.5x1.2cm

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1. You can record while writing, easy to use2. Intelligent noise reduction chip, long-distance unvoiced technology, high restoration of lossless original sound3. Built-in time chip, record file generation time and end time, accurate to the second, easy to organize, and improve credibility4. One-key recording, one-key saving, simple operation5. Can be clipped in pockets, bags, books, not easy to lose, easy to carry6. After the voice control recording mode is turned on, it will automatically record only when there is sound, and automatically pause when there is no sound.7. Support power-on setting password, intimate protection of audio data8. You can directly delete unnecessary recording files on this machine, which is convenient for sorting out documents9. Support replacement of refills10. When the battery is low, the recording will save the file in advance, and then turn it off for 1 hour to fully charge it, and continue to record for 38 hours11. Battery capacity: 120mah12. Length: 142mm

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1. Printing speed: 160mm/s 2. Printing width: 7200 paper width 3. Paper width: 80mm 4. Printing density: 576 dots/line or 512 dots/line 5. Interface: LAN 6. Compatibility is stronger 7. The integrated design of the cutting blade makes it more wearproof and adopts the program of anti-stuck design 8. Easy paper loading structure, upon paper delivery design, more convenient and fast

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1. Applicable area: less than 10 square meters2. Applicable model: suitable for Ecovacs T9 AIVI/T9 AIVI+3. The bristles are moderately soft and hard, and the cleaning force is strong4. Hypa filter, good filterability5. The rag is not easy to shed hair and easy to clean6. Rolling brush real machine mold opening, high adaptability7. Weight: side brush 11g/pair, filter screen 29g/piece, rag 10g/piece, double roller brush 68g/piece8. Set list: side brush x 3+ rag x 5 + filter screen x 3+ double roller brush x 1

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1. Applicable area: less than 10 square meters2. Applicable model: suitable for Ecovacs Deebo X13. The bristles are moderately soft and hard, and the cleaning force is strong4. Hypa filter, good filterability5. The rag is not easy to shed hair and easy to clean6. Rolling brush real machine mold opening, high adaptability7. Weight: 11g/pair of side brush, 25g/piece of filter screen, 23g/piece of rag, 52g/piece of roller brush, 28g/piece of dust bag

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1. Function: Filter2. Applicable area: 10-20 square meters3. Applicable model: suitable for Black & Decker V6HSV320J / HSV420J / HSV520J / HSV320J32 / HSV420J424. Environmental protection material, durable5. Hypa filter, good filterability6. Real machine mold opening, high adaptability7. Net weight: 38g

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1. Light source: LED 2. Lumen (ANSI): 120 3. Resolution: 1280x600P 4. Lens: all-glass high lens 5. Screen size: 3.81 inch 6. Support aspect ratio: 4:3/16:9 7. Interface: USBx2/DC./Audio (3.5 mm)/IR/HDMI 8. Lamp life: 30,000 hours 9. Throw ratio: 1.3:1 10. Trapezoid focusing: Manual focus 11. Zoom function: Support 12. Recommended projection distance (corresponding) m: 1.2/2.5 meters 13. Recommended projection size (corresponding): 40/60/100 14. System: Android 9.0 15. Chip: RK3128 16. Configuration parameters: 1GB+8GB 17. Support wireless: 2.4GHz single frequency 18. Bluetooth: BT4.0 19. Remote control: Infrared remote control 20. Supported languages: English, German, French, Russian, Japanese... 21. Input voltage: 110V/220V 22. Power size: 48W 23. Standard accessories: Power Adapter, remote control, manual

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1. This printing paper is made of high-quality wood pulp, which is safe and durable to use, and can keep the paper from fading for a long time. 2. The paper is ordinary white paper, no adhesive, direct thermal printing, saving time and effort. 3. The receipt paper is waterproof, oil-proof, scratch-resistant, smooth, thin and can be easily installed in the device. 4. Moreover, the receipt paper is printed clearly and conveniently, and can be used for a long time without cracking. 5. Easy to install and easy to carry. 6. When using the thermal paper in the camera, you can easily fill the paper, and 10 rolls of paper are enough to meet long-term needs.

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1. The microphone clip on the stand can be rotated freely at multiple angles to adjust the pickup direction2. The left and right adjustment distance is 80mm, and the length of the bracket is 25cm3. Applicable scenarios: corporate meetings/business speeches/educational lectures/multi-platform live broadcasts4. Material: aluminum alloy + ABS5. Weight: 190g for two heads, 280g for four heads

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1. Material: zinc alloy, optical glass lens2. Magnification: 10X3. Lighting source: 2 LED lights4. Mirror diameter: 28mm5. Battery: LR927 button battery x 3 (shipping without battery)6. Optical glass lens, high transparency, clear image7. Using thick aluminum alloy frame, good durability8. With pointer scale design, easy to read the length9. Two LED lights auxiliary light source, low energy consumption and long service life10. Unfolded size: 5 x 5 x 3.8 cm11. Folded size: 5.5 x 3.3 x 2.2 cm12. Weight: 98 grams

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1. Material: ABS, optical acrylic lens2. Magnification: 3X3. Lighting source: 5 pure white LED lights4. Battery: AAA battery x 3 (shipping without battery)5. Lens size: 10.8 x 6.3 cm6. Using optical acrylic lens, high-definition magnification, more comfortable vision7. The handle is foldable, which is convenient for storage and more convenient to use.8. The frame is made of ABS material, which is resistant to falling and effectively protects the lens9. With 5 pure white LED lights, low energy consumption and long service life10. Folded size: 14 x 11.5 x 2.5 cm m11. Unfolded size: 26.5 x 12 x 2.5 cm12. Weight: 155 grams

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1. Three-in-one electronic clock module, integrating three practical functions: time, thermometer and voltmeter2. Using RX8025T clock chip, the timing accuracy is stable3. The lengthened temperature probe can effectively solve the problem that the temperature affected by the module temperature is not accurate enough4. Power supply voltage: DC5.0-30V5. Temperature function range: -40-120 degrees Celsius, resolution 0.16. Voltmeter function range: DC5-30V (requires pure DC power supply, it is not recommended to use 24V battery, because the voltage may be too high during charging and burn)7. Size: about 4x1.4x1.3cmFunction and usage instructions:1. Adjust time, date, year, voltage error, temperature error cycle display item definition, alternate display interval time2. In the non-setting state, press the left key to enter the time adjustment (note that the colon in the middle is bright):- At this time, the minute bar starts to flash, press the right button to increase, the adjustment range is 00-59, after adjusting, press the left button again, the hour bar starts to flash, press the right button to increase, the adjustment range is 00-23- After adjusting the hour, press the left button again to enter the date adjustment (note that the colon in the middle is off), at this time the date column starts to flash, press the right button to increase, the adjustment range is 1-31, after the date is adjusted, press the left button again key, the month column starts to flash, press the right key to increase, the adjustment range is 1-12, after adjusting the date, press the left key again, the year column starts to flash, press the right key to increase, the adjustment range is 2012-2049- After adjusting the year, press the left key again to enter the error calibration function of the displayed voltage, the unit is 0.1V, a positive number means increase, and a negative number means decrease- Then press the left key again to enter the temperature error calibration setting, press the right key to increase, a positive number means increase, a negative number means decrease, the unit is Celsius- Press the left button again to enter the definition function dd option of the display item in the cycle display state,Press the right button to change the value: (dd:0) time + temperature + voltage, (dd: 1) time + temperature, (dd: 3) time + voltage- Press the left button again to enter the cycle display alternate interval time dF option, press the right button to change the value, the larger the value, the longer the interval- Press the left button again to save all the set values ​​and return to the normal display state3. Switch display items: in the non-setting state, press the right key to switch the display items, and the display will switch between the time-date-temperature-voltage alternate display

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1. Input voltage: 8-60V2. Input current: 0-15A3. Output voltage: 10-120V4. Output current: 0-15A5. Power: 900W6. Working frequency: 150KHz7. Short circuit protection: 20A fuse8. Control mode: digital control + digital tube display9. Voltage regulation/display resolution: less than 100V/0.01V, greater than 100V/0.1V10. Current adjustment/display resolution: less than 10A/0.01A, greater than 10A/0.1A11. Output ripple: within 50mV12. Weight: about 243g13. Size: about 11x9.6x4.6cmFeatures:1. Using a microprocessor, the output voltage and current can be adjusted2. With memory saving function, 10 groups of parameters can be stored, and can be stored and recalled freely3. The use of power devices, combined with the CV and CC loops formed by peripheral precision op amps, improves the overall performance of the module4. With input voltage regulation protection function5. With constant voltage, constant current function6. Using 4-bit high-brightness digital tube, it can display parameters such as output voltage, current, power and capacity in real time7. Automatic/manual switch to display parameters such as voltage, current, power, capacity, etc.8. With output OUT, constant voltage CV, constant current CC indicator, you can check the working status in real time9. It can be set whether to output automatically after power-on10. The current set voltage and current value can be saved with one key

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1. Voltage: DC12-24V2. Frequency: 50/60HZ3. Installation method: indoor, ceiling installation4. HF system: 5.8GHz CW radio wave, ISM band5. Transmitting power: less than 10mW6. Power: 70W (DC 12V)7. Detection angle: 360 degrees8. Distance: about 1-10m (radius) adjustable9. Working delay: 10 seconds to 3 minutes10. Light control illumination: about 2-2000 LUX11. Power consumption: about 0.5W12. Description: 807 with power output, 807K without power output13. Applicable environment: corridors, toilets, living rooms, corridors, warehouses, garages, etc.14. Installation reminder: the induction switch has a transmission blind spot in the central area. If it is installed in a small indoor environment (such as bathroom, kitchen), try to install it on the side or in the corner, so that the induction area will be more effective on the side. otherwise, the vertical center activity may not be sensed15. Size: about 7.6x4.1x3.9cm

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1. Note: The FM high-fidelity wireless microphone needs to be used with the FM radio function audio or power amplifier, amplifier, etc., and cannot be independently amplified.2. As long as there is FM FM radio function, switch to FM radio function after power on, and the same frequency points are consistent, you can wirelessly amplify3. 225 wireless transmission channels, covering the 87-108MHZ frequency band4. Microphone loudspeaker, no whistling5. Battery capacity: 250mAH6. Use time: 6-12 hours7. Sound pressure level: greater than or equal to 130 decibels8. Frequency response: 30Hz-20KHz9. Output power: 16mW10. Weight: 30 grams

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