Audio Receiver Transmitters

1. Charging interface: Type-C2. Battery capacity: 500mAh3. Applicable models: Airpods or other wireless bluetooth earphones4. Battery life: AirFly Duo / AirFly Gen 2 about 20h, AirFly Pro about 16h5. Weight: about 16 g6. Size: AirFly Duo / AirFly Pro about 5.7 x 2.55 x 1.1 cm, AirFly Gen 2 about 10.8 x 2.54 x 0.95 cm7. Packing list: connector x 1, charging cable x 1, storage bag x 1Features:1. Wireless bluetooth headset connector, stable connection, plug and play, compact and portable2. Simple control, plug and play, key pairing, long-lasting battery life, not afraid of long-distance travel3. Efficient and quick connection, one open and connect, simple design, beautiful and practical, can be connected to two different pairs of headphones4. Wireless connection, so that the wired jack change out of the wireless possibility, more portable immersive audio-visual experience, enjoy lossless sound quality5. Wireless headphones can be used in places where there is only a headphone jack, such as cars, boats, treadmills, TVs, computers and game consoles, etc.

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1. High strength PC+ABS shell2. Adopt Bluetooth 5.0 chip design, better compatibility and stability3. Bluetooth receiving (RX) red and blue indicator light blinking alternately4. Bluetooth transmitter (TX) blue indicator light flashing5. Simple connection, no need to download APP6. Bluetooth version: V5.07. Support protocol: A2DP AVRCP8. Interface: 3.5mm9. Voltage input: AC 100-220V power supply direct plug-in10. Bluetooth distance: 10M (open and unobstructed)11. Adaptation equipment: Android / ios cell phone / desktop computer / laptop / wired speakers / headphones / amplifiers / TV / game consoles, etc.

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1. Bluetooth solution: 5.32. Frequency: 2.4GHz-2.48GHz3. Bluetooth transmitting/receiving distance: 15 meters4. Bluetooth receiving function: connect 1 mobile phone5. Bluetooth transmitter function: connect 1 pair of Bluetooth headsets6. Battery capacity: 180mah7. Charging time: 30 minutes8. Play time: 10 hours9. Built-in high-definition noise reduction call effect, supports AAC/SBC audio decoding, new elastic push-type back clip, lightweight to wear, can be carried around, used as a receiver, plug in 3.5mm earphones to upgrade wired earphones to Bluetooth earphones10. 3.5mm aux universal interface, suitable for various audio equipment11. It can receive and transmit signals in one unit and can be switched freely, suitable for multiple devices.12. The sound quality is clear and noise-free. It supports AAC/SBC high-definition audio decoding, which reduces the sound loss and noise floor of wireless transmission and restores the details of the sound.13. Weight: 14.4g14. Size: 6x2.2x1.85cmAccessories:- Host x 1- Charging cable x 1- Instruction manual x 1- 3.5mm audio head x 1

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1. Bluetooth audio receiver, comes with memory2. One-click control, simple and fast3. strip-like appearance, fashionable and simple4. Play format: APE/FLAC/MAV/WMA/MP35. 190mAh battery capacity, can be played continuously for 5 hours6. Bluetooth version: BT4.27. Transmission distance: 10 meters8. Signal to noise ratio: more than 90db9. Frequency range: 20Hz-20kHz10. Bluetooth protocol: AVRCP/A2DP/HFP/HSPMIC11. Sensitivity: +/- 42DB12. Output: 3.5mm13. Size: 70x18x12mm14. Net weight: 14.8g

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1. Bluetooth audio receiver, comes with memory2. One-click control, simple and fast3. strip-like appearance, fashionable and simple4. Play format: APE/FLAC/MAV/WMA/MP35. 190mAh battery capacity, can be played continuously for 5 hours6. Bluetooth version: BT4.27. Transmission distance: 10 meters8. Signal to noise ratio: more than 90db9. Frequency range: 20Hz-20kHz10. Bluetooth protocol: AVRCP/A2DP/HFP/HSPMIC11. Sensitivity: +/- 42DB12. Output: 3.5mm13. Size: 70x18x12mm14. Net weight: 14.8g

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1. Bluetooth audio receiver, comes with memory2. One-click control, simple and fast3. strip-like appearance, fashionable and simple4. Play format: APE/FLAC/MAV/WMA/MP35. 190mAh battery capacity, can be played continuously for 5 hours6. Bluetooth version: BT4.27. Transmission distance: 10 meters8. Signal to noise ratio: more than 90db9. Frequency range: 20Hz-20kHz10. Bluetooth protocol: AVRCP/A2DP/HFP/HSPMIC11. Sensitivity: +/- 42DB12. Output: 3.5mm13. Size: 70x18x12mm14. Net weight: 14.8g

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1. Bluetooth audio receiver, comes with memory2. One-click control, simple and fast3. strip-like appearance, fashionable and simple4. Play format: APE/FLAC/MAV/WMA/MP35. 190mAh battery capacity, can be played continuously for 5 hours6. Bluetooth version: BT4.27. Transmission distance: 10 meters8. Signal to noise ratio: more than 90db9. Frequency range: 20Hz-20kHz10. Bluetooth protocol: AVRCP/A2DP/HFP/HSPMIC11. Sensitivity: +/- 42DB12. Output: 3.5mm13. Size: 70x18x12mm14. Net weight: 14.8g

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1. Material: PC plastic2. Usage: 110-220V power supply in-line3. Transmission rate: 2.40Mbps4. Bluetooth transmission distance: about 10 meters5. Bluetooth version: 5.06. Working frequency: 2400MHz7. Interface type: 3.5mm interface8. Output parameters: DC 5V/2.1A9. Support protocol: A2SP/AVRCP10. Basic functions: Bluetooth receiving/transmitting, APP control, U disk playback, 2.1A fast charge11. Scope of application: notebook computers, desktop computers, projectors, televisions, subwoofers, small speakers, power amplifiers, wired headphones and other devices with audio input/output interfaces12. Size: about 7.5x5.5x2.5 cm13. Weight: about 54 gramsFeatures:1. Using Bluetooth 5.0 chip2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one3. Both receiving and transmitting modes can be played by plugging in U disk, supporting mp3/flac/wav/wam/ape and other formats4. Mobile APP control, up and down song/volume adjustment/sound effect adjustment/play source switching5. Support 110-220V power supply in-line, universal6. Built-in QC2.0 fast charging module, supporting 2.1A dual USB fast charging, easy charging for mobile phones, tablets, etc.7. Small and portable, does not take up space, wear-resistant and durable8. Built-in high-quality decoding chip, high-definition stereo sound quality9. Intelligently compatible with various devices, plug and play, suitable for devices with audio input/output interfaces10. ABS multilayer protection, PC fireproof material11. Built-in large-capacity resistance protection, not easy to get hot, safe circuit

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1. Material: PC, ABS2. Usage: 110V power supply in-line3. Transmission rate: 2.40Mbps4. Bluetooth transmission distance: about 10 meters5. Bluetooth version: 5.06. Working frequency: 2400MHz7. Interface type: 3.5mm interface8. Output parameters: DC 5V/2.1A9. Support protocol: A2SP/AVRCP10. Remote control power supply: contains a button battery11. Scope of application: notebook computers, desktop computers, projectors, televisions, subwoofers, small speakers, power amplifiers, wired headphones and other devices with audio input/output interfaces12. Packing list: host x1, remote control x1, audio cable x1, manual x113. Size: about 7.5x5.5x2.5 cm14. Weight: about 54gFeatures:1. Using Bluetooth 5.0 chip2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one3. Both receiving and transmitting modes can be played by plugging in U disk, supporting mp3/flac/wav/wam/ape and other formats4. Mobile APP control, up and down song/volume adjustment/sound effect adjustment/play source switching5. Support 110-220V power supply in-line, universal6. Built-in QC2.0 fast charging module, supporting 2.1A dual USB fast charging, easy charging for mobile phones, tablets, etc.7. Support 5-10m infrared remote control, switch on/off/mute/play/pause/up/down/up/down/volume up/down/switching of sound source8. Built-in high-quality decoding chip, high-definition stereo sound quality9. Intelligently compatible with various devices, plug and play, suitable for devices with audio input/output interfaces10. Ultrasonic assembly process can effectively prevent falling and effectively prevent over voltage, over current, short circuit, electromagnetic, over temperature, over power, etc.11. Highly sensitive infrared remote control, about 5-10 meters infrared control, the remote control panel is simple and clear, and a variety of functions are controlled by one button

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Features: 1. Easy to install, plug and play 2. Using Bluetooth 5.0 chip design, stronger compatibility and stability 3. Bluetooth receiver (RX), Bluetooth transmitter (TX) two-in-one design, toggle switch to switch quickly 4. Equipped with high-definition LED digital display screen, working status and Bluetooth mode are clearly visible 5. Built-in digital to analog chip, supporting six signal interfaces of digital optical fiber, coaxial, AUX, RCA, U disk, TF card 6. NFC function, mobile phone can be connected with one touch 7. Cool breathing light, red/blue color, soft and not dazzling 8. Built-in 500mAh rechargeable lithium battery, long battery life 9. Support 5-8 meters infrared remote control, all kinds of functions are readily available 10. Built-in high-definition microphone, support wireless music listening, hands-free calling, navigation 11. Compatible with Android, IOS system mobile phones and tablets, active speakers, power amplifiers, and Bluetooth speakers or earphones that support A2DP/protocol to connect and use Product specifications: 1. Support protocol: RX: A2DP, AVRC; TX: A2DP 2. Working frequency band: 2.402-2.480GHz 3. Response frequency: 20Hz-20KHz-0.2db 4. Signal to noise ratio: greater than or equal to 90dB 5. Input interface: 3.5mm AUX+RCA+optical fiber+coaxial+USB+TF interface 6. Output interface: 3.5mm AUX+RCA 7. Optical fiber parameters: support optical fiber input, 16M, sampling rate 96kHz 8. Support format: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTY 9. Screen size: 32x14.5x7mm 10. Working current: less than 40mA 11. Charging time: about 1.5 hours 12. Life time: RX is about 10H, TX is about 8H 13. Bluetooth distance: less than or equal to 10-15m (open place) 14. Charging method: Type-C 5V-0.5A 15. Product size: 86x65x22mm 16. Product weight: 75g

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Features: 1. Using Bluetooth 5.0 chip 2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one 3. Can read TF card/U disk, support MP3/flac/wav/wam/ape format songs 4. Exclusive mobile phone APP control, up and down song/volume adjustment/sound effect adjustment/switching of playback sound source 5. Support infrared remote control, switch on/off/mute/play/pause/up and down song/volume up/down/sound source switching 6. Support 110-220V power supply in-line, universal 7. Built-in QC2.0 fast charge module, support 2.1A dual USB fast charge, easy charging for mobile phones, tablets, etc. 8. AUX+RAC dual interface output, can connect 2 speakers and other equipment at the same time 9. Bluetooth transmission distance is 10 meters, built-in high-definition decoding chip 10. Weight: 65g 11. Size: 57x50x20mm 12. Launch mode: suitable for original Apple AirPods headsets (basically not supported by the market models)

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Features: 1. Using Bluetooth 5.0 chip 2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one 3. Can read TF card/U disk, support MP3/flac/wav/wam/ape format songs 4. Exclusive mobile phone APP control, up and down song/volume adjustment/sound effect adjustment/switching of playback sound source 5. Support infrared remote control, switch on/off/mute/play/pause/up and down song/volume up/down/sound source switching 6. Support 110-220V power supply in-line, universal 7. Built-in QC2.0 fast charge module, support 2.1A dual USB fast charge, easy charging for mobile phones, tablets, etc. 8. AUX+RAC dual interface output, can connect 2 speakers and other equipment at the same time 9. Bluetooth transmission distance is 10 meters, built-in high-definition decoding chip 10. Weight: 65g 11. Size: 57x50x20mm 12. Launch mode: suitable for original Apple AirPods headsets (basically not supported by the market models)

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Features: 1. Using Bluetooth 5.0 chip 2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one 3. Can read TF card/U disk, support MP3/flac/wav/wam/ape format songs 4. Exclusive mobile phone APP control, up and down song/volume adjustment/sound effect adjustment/switching of playback sound source 5. Support infrared remote control, switch on/off/mute/play/pause/up and down song/volume up/down/sound source switching 6. Support 110-220V power supply in-line, universal 7. Built-in QC2.0 fast charge module, support 2.1A dual USB fast charge, easy charging for mobile phones, tablets, etc. 8. AUX+RAC dual interface output, can connect 2 speakers and other equipment at the same time 9. Bluetooth transmission distance is 10 meters, built-in high-definition decoding chip 10. Weight: 65g 11. Size: 57x50x20mm 12. Launch mode: suitable for original Apple AirPods headsets (basically not supported by the market models)

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Features: 1. Using Bluetooth 5.0 chip 2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one 3. Can read TF card/U disk, support MP3/flac/wav/wam/ape format songs 4. Exclusive mobile phone APP control, up and down song/volume adjustment/sound effect adjustment/switching of playback sound source 5. Support infrared remote control, switch on/off/mute/play/pause/up and down song/volume up/down/sound source switching 6. Support 110-220V power supply in-line, universal 7. Built-in QC2.0 fast charge module, support 2.1A dual USB fast charge, easy charging for mobile phones, tablets, etc. 8. AUX+RAC dual interface output, can connect 2 speakers and other equipment at the same time 9. Bluetooth transmission distance is 10 meters, built-in high-definition decoding chip 10. Weight: 65g 11. Size: 57x50x20mm 12. Launch mode: suitable for original Apple AirPods headsets (basically not supported by the market models)

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Features: 1. Using Bluetooth 5.0 chip 2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX), two functions in one 3. Can read TF card/U disk, support MP3/flac/wav/wam/ape format songs 4. Exclusive mobile phone APP control, up and down song/volume adjustment/sound effect adjustment/switching of playback sound source 5. Support infrared remote control, switch on/off/mute/play/pause/up and down song/volume up/down/sound source switching 6. Support 110-220V power supply in-line, universal 7. Built-in QC2.0 fast charge module, support 2.1A dual USB fast charge, easy charging for mobile phones, tablets, etc. 8. AUX+RAC dual interface output, can connect 2 speakers and other equipment at the same time 9. Bluetooth transmission distance is 10 meters, built-in high-definition decoding chip 10. Weight: 65g 11. Size: 57x50x20mm 12. Launch mode: suitable for original Apple AirPods headsets (basically not supported by the market models)

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1. Material: PC, ABS2. Usage: 110V power supply in-line3. Transmission rate: 2.40Mbps4. Bluetooth transmission distance: about 10 meters5. Bluetooth version: 5.06. Working frequency: 2400MHz7. Interface type: 3.5mm interface8. Output parameters: DC 5V/2.1A9. Support protocol: A2SP/AVRCP10. Basic functions: Bluetooth receiving/transmitting, U disk playback, 2.1A fast charge11. Scope of application: notebook computers, desktop computers, projectors, televisions, subwoofers, small speakers, power amplifiers, wired headphones and other devices with audio input/output interfaces12. Packing list: host x1, remote control (contains button battery) x1, audio cable x1, manual x113. Size: about 5.7x5x2 cm14. Weight: about 52 gramsFeatures:1. Using Bluetooth 5.0 chip2. Support Bluetooth receiving (RX) and Bluetooth transmitting (TX)3. Both receive and transmit modes can be inserted into U disk to play, support mp3/flac/wav/wam/ape and other formats4. Support a variety of audio equipment, wireless transmission, driver-free use, compatible with audio input/output interface equipment5. Support various audio and video APP software6. Built-in QC2.0 fast charging module, supporting 2.1A dual USB fast charging, easy charging for mobile phones, tablets, etc.7. Small and portable, does not take up space, wear-resistant and durable8. Built-in high-quality decoding chip, high-definition stereo sound quality9. Intelligently compatible with various devices, plug and play, suitable for devices with audio input/output interfaces10. Highly sensitive infrared remote control, about 5-10 meters infrared control, the remote control panel is simple and clear, and a variety of functions are controlled by one button11. Built-in multiple protection circuits, intelligently matching the current required by charging equipment, safe and efficient

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1. Bluetooth Compatible Version: 5.02. Bluetooth Compatible Protocol: A2DP3. Material: ABS + Gold Plated Metal Connector4. Transmission distance: 10 meters5. Transmission mode: fiber optic / USB type A6. Applicable equipment: for Nintendo Switch / PC / PlayStation console / Xbox console7. Connected device: Bluetooth compatible headphones / Bluetooth compatible speaker

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1. Bluetooth version: 5.12. Transmission distance: 10 meters under normal condition3. Input interface: fiber/coaxial /AUX/USB/ Bluetooth4. Material: aluminum alloy5. Output interface: R/L AUX6. Product size: 110*25*85mm7. Supporting equipment: mobile phone/computer/TV/projector, etc8. Power supply port: Type-C 9. Package contents: coaxial/optical fiber /3.5mm audio cable /USB power cable

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1. Product name: Bluetooth receiver & transmitter digital audio converter2. Product color: black3.Bluetooth version: 5.14. Material: aluminum alloy5. Input: fiber/coaxial /AUX6. Compatibility: Bluetooth 5.1 192KHz7. Output: RCA(R/L) /AUX8. Transmission distance: 10 meters9. Accessories: RCA cable x1/ optical cable x1/ coaxial cable x1/ AUX cable x1/ power cable x110. Product size: 20.5x117mm11. Packing size: 164x127x37mm12. Product weight: 245g

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1. Size: about 3.6x3x3 cm2. Weight: about 120 grams3. Working mode: in-line type4. Working voltage: 110-240V5. Output interface: standard 3.5mm socket6. Transmission rate: 24Mbps7. Use distance: about 8-15m8. Bluetooth version: V2.19. Working frequency: 2.4MHz10. Compatible speakers: most speakers and amplifiers11. Applications: smart phones, tablets, computers, TVs, etc.12. Features: DSPJ noise reduction, HIFI lossless and stable transmission, light and portable, simple operation, wide applicability

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1. Bluetooth solution: 5.0 EDR, A2DP, HSP, AVRCP2. Frequency: 2.4GHz-2.48GHz3. Bluetooth transmission distance: less than or equal to 10 meters4. Bluetooth receiving distance: less than or equal to 10 meters5. Charging voltage: DC 5V6. The battery is 300 mAh7. Working time: about 6 hours8. Bluetooth receiving function: connect 1 mobile phone9. Bluetooth transmitter function: can connect 2 pairs of Bluetooth headsets at the same timePacking list: host x 1, 3.5mm audio cable x 1, charging cable x 1, manual x 1

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1. Bluetooth solution: 5.0 EDR, A2DP, HSP, AVRCP2. Frequency: 2.4GHz-2.48GHz3. Bluetooth transmission distance: less than or equal to 10 meters4. Bluetooth receiving distance: less than or equal to 10 meters5. Charging voltage: DC 5V6. The battery is 300 mAh7. Working time: about 6 hours8. Bluetooth receiving function: connect 1 mobile phone9. Bluetooth transmitter function: connect a pair of Bluetooth headsets10. Screen display: can display the name of 8 devices to be paired (transmitting) / can display the name of paired mobile phone (receiving)Packing list: host x 1, 3.5mm audio cable x 1, charging cable x 1, manual x 1, RCA cable x 1

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Product Features:1, Bluetooth 5.0+EDR2. Bluetooth transmission distance 12m3. Support Bluetooth hands-free calling function4. Bluetooth receiver, Bluetooth transmitter 2 in 1 machine5. The industry's first Bluetooth adapter with battery display6. Support Bluetooth remote control mobile phone camera function7, support TF card playback8, support answering, hang up, refuse to answer, dial back and other telephone functions9, support call echo cancellation and noise suppression (CVC) technology10. Disconnect the Bluetooth connection for 5 minutes, and the product will shut down automatically.

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1. Interface type: 3.5mm2. Bluetooth version: Bluetooth 4.23. Featured functions: support one for two, support connection to earphones, connection to mobile phones, connection to speakers, connection to cars4. Product size: 5.9 x 1.5 x 1.2cm5. Product bare weight: 12g (Bluetooth receiver + metal adapter)6. Product features: Bluetooth receiver, car Bluetooth receiver, car Bluetooth receiver, AUX Bluetooth receiver, audio adapter

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1. Bluetooth solution: 5.0 EDR, A2DP, HSP, AVRCP2. Frequency: 2.4GHz-2.48GHz3. Bluetooth transmitting distance ≤ 10m4. Bluetooth receiving distance ≤ 10m5. Charging voltage: DC 5V 6. Battery: 300mAh7. Working hours: about 6 hours8. Bluetooth transmitting function: two pairs of Bluetooth headsets can be connected at the same time9. Weight: 60g10. Accessories: host x 1, 3.5mm audio cable x 1, charging cable x 1, instruction manual x 111. Package size: 92x71x34mm

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1. Product model: D182. Product color: black3. Distance: 20m (without obstacles)4. Material: Aluminum Alloy5. Mode: Coaxial / Fiber Optic / USB Flash Drive / Bluetooth6. Interface: fiber optic interface + coaxial interface + 3.5mm audio interface + USB (U-disk play)7. Power supply interface: Type-C

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1. Receive and transmit 2 in 1.2. Chip has a more stable connection, faster transmission speed, and lower power consumption.3. Small and portable, easy to connect, Bluetooth pairing function, one-button operation, convenient and fast.4. Plug and play drivers are not required; Compatible with smart built-in noise reduction and high fidelity sound quality; 10 meters stable transmission signal; Fully supports automatic matching.5. Transmission distance: 10m

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1. Input voltage: DC 5V2. Bluetooth version: 5.03. Input interface: 3.5mm audio4. Transmission rate: 100Mbps5. Transmission distance: about 15m6. Working frequency: 5MHz7. Suitable range: computer, TV, projector (transmitting mode)/speaker, earphone, car machine, call (receiving mode), etc.8. Packing list: Bluetooth adapter x 1, 3.5mm audio cable x 1, manual x 19. Size: about 4.5x2x1.1 cm10. Weight: about 20gFeatures:1. Accept RX+transmit TX design, dual-signal one-key switch, simple and convenient to use, suitable for a variety of devices, blue light receiving mode, red light transmitting mode2. One-key answering/hanging up calls, when there is an incoming call in receiving mode, press the button to answer the call hands-free3. Connect the computer to Bluetooth speakers/earphones, the transmission range can reach 15 meters4. Connect the TV to the Bluetooth headset, wear the Bluetooth headset, watch TV anytime, anywhere without affecting others5. Just plug in the speaker or power amplifier interface, you can change the Bluetooth audio, saving wiring trouble6. When the Bluetooth of the car is broken or there is no Bluetooth, just plug it in and use it7. Bluetooth fast matching connection, no need to drive, plug and play, convenient and fast8. Bluetooth 5.0, stronger compatibility, faster and more stable model transmission

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1. Bluetooth scheme: 5.0 EDR, A2DP, HSP, AVRCP2. Frequency: 2.4GHz-2.48GHz3. Bluetooth transmission distance: ≤10 meters4. Bluetooth receiving distance: ≤10 meters5. Charging voltage: DC 5V6. Battery: 200mA7. Working time: about 6 hours8. Bluetooth receiving function: connect 1 mobile phone9. Packing size: 100x78x22mm10. Weight: 55g color box11. Packing list: - Bluetooth Adapter x 1- 3.5mm audio cable x 1- Charging cable x 1- Instruction manual x 1

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1. Bluetooth profile: V5.0, EDR, A2DP, HSP, AVRCP2. Bluetooth: V5.03. Transmission Distance: 10m / 33ft4. Audio port: 3.5mm5. Color: black

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1. Technologies: BT5.0, A2DP, AVRCP (receiver mode only).2. Operating range: up to 10m / 33ft (without blocking objects).3. Pairing name (receiver mode): KN3304. TX: transmitter mode, red LED light on5. RX: receiver mode, blue LED light on6. Insert the usb power, the red light turns on in streaming mode, the red light flashes when pairing, and the red light always turns on after the pairing is successful.7. Insert usb to power on, the receiving mode is blue light, the blue light flashes when pairing, the blue light always turns on after the pairing is successful.

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Features: 1. Plug and Play 2. Support 3.5mm AUX and Bluetooth two ways to play music 3. Multi-function buttons, support hands-free call and FM, can answer/reject calls or FM with one key 4. USB interface power supply, support multiple power supply methods 5. Unlimited models 6. Support Android/IOS system 7. Small size, easy to carry Product specifications: 1. Bluetooth version: V5.0+2.1EDR 2. Bluetooth distance: 10m 3. Transmitting distance: less than 8m 4. Working voltage: DC 5V/2.1A (max) 5. Power supply mode: USB power supply 6. Radio frequency point: 87.5MHz, 88.0MHz, 88.8MHz Packing list: Bluetooth car FM transmitter x 1 3.5mm audio cable x 1 Manual x 1

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Features: 1. It can help home speakers, wired earphones, car speakers, etc., do not have Bluetooth to connect with your mobile phone via Bluetooth 2. When using it on a computer, there is no need for an audio cable, no driver, plug and play (only audio cannot transmit data) 3. With a switch, you can switch between transmitting mode and receiving mode at any time, both modes are two-channel stereo 4. The 3.5mm AUX interface needs to be connected to an audio cable to play music 5. Built-in microphone, support Bluetooth hands-free call 6. No built-in battery, powered by USB DC 5V interface, support multiple power supply methods 7. Bluetooth 5.0 technology, fast transmission speed 8. Small size, easy to carry Product specifications: 1. Bluetooth version: Bluetooth 5.0 2. Operating range: up to 10m (under no obstructing objects) 3. Pairing name: KN330 (in receiving mode) 4. TX mode: Transmitter mode, the red LED light is on 5. RX mode: receiver mode, the blue LED light is on 6. Product size: 45x20x11mm Packing list: Bluetooth audio receiver transmitter x 1 3.5mm male to male audio cable x 1 Manual x 1

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1. Product model: B212. Supported devices: Two mobile phones can be connected3. Output interface: 3.5mm stereo RCA left and right sound channel4. Function description: U disk, hands-free call,5. Bluetooth protocol: AVRCP, A2DP6. Frequency range: 2400-2483.5MHz7. Frequency response: 20Hz-20khz8 output power: 28mW RL=16Ω9. SNR: >90dB10. Total harmonic distortion: <0.1%11. Supports SBC and AAC12. Forward transmission distance: 10 meters13. Support Micro USB port 5V power supply

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Product Introduction:The Q3 is a wireless Bluetooth audio receiver with dual interface audio output that connects your home or car speakers with a 3.5mm AUX or Optical digital audio output, easily transforming your normal speakers into wireless Bluetooth speakers. This product supports U disk playback, support MP3/WMA/AAC/AAC+/ALAC/FLAC/APE/WAV and other most lossless audio format decoding, using imported chip AP1048, high-performance 32-bit Bluetooth audio processor, decoding up to 24 bits /96KHz; Support EQ sound adjustment, and support infrared remote control operation; Product appearance design is exquisite, pure black appearance design to show the high-end atmosphere; Easy to operate, through wireless devices such as smart phones, tablets and other paired with this product wireless Bluetooth, let you enjoy the wireless transmission at any time to bring music feast.Product parameters:1. Product name: Wireless Bluetooth audio receiver2. Model: Q33. Bluetooth: Dual-mode Bluetooth 5.04. Frequency range: 2.4-2.48ghz5. Bluetooth protocol: AVRCP, A2DP, HFP/HSP and other protocols6. Output interface: 3.5mm stereo AUX output, digital Optical fiber audio output7. (This product supports 3.5mm stereo output and Optical digital fiber audio output at the same time)8. Function introduction: U disk playback, support a variety of lossless audio format decoding9. MP3 / WMA / AAC / MP4 / M4A / FLAC / APE / WAV audio format decoding10. Support EQ sound adjustment11. Support IR remote control operation12. Transmission distance: 10 meters13. Material: ABS environmental protection material14. Power supply: Type-C USB 5V power supply15. Compatibility: Support Android and iOS smartphones, tablets and other bluetooth devices16. Size: 8.8*8.8* 1.8cm17. Weight of the host: 60gPacking List:1. Q3 Wireless Bluetooth audio receiver x 12. USB type-c charging cable x 13. 3.5mm audio cable x 14. Optical fiber audio cable x 15. Infrared remote control (not include battery) x 16. Product storage bag x 17. Operation manual x 1

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1. HD lossless sound quality, listening to songs, lag-free stereo sound quality, enjoy excellent lossless streaming sound quality and cinema sound effect.2. Receive / transmit rich dual-mode interface, widely compatible and supports easy receive / transmit dual-mode switching for all audio devices3. The computer and connect speakers allows upgrade / Bluetooth headphones to solve the problem that the computer has non-Bluetooth compatible and cannot use Bluetooth compatible. Listen to music more freely and enjoy music4. Upgrade vintage car audio, easily connect car audio to car's Bluetooth-enabled audio mobile phone and listen to music / navigation wirelessly5. The airframe is not only small and powerful, but the airframe size is smart, and the function is powerful, making you enjoy listening to songs / playing games / chasing dramas more.6. Connection range: 15m7. Frequency response range: 10hz-20khz8. Signal-to-noise ratio: less than 110dB9. Product function: receive / transmit 2 in 1

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1. Material: PC+ABS 2. Bluetooth: 5.0 3. Transmission distance: 15m 4. High fidelity sound quality - Signal-to-noise ratio: >110db - Response frequency: 110Hz-20Hz - Output impedance: 75 ohms - Distortion rate: <0.02% 5. Support U disk, RCA, RX/TX output 6. Size: 109x73x29mm

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1. Material: plastic 2. Input voltage: DC5V 3. Suitable for: computer, TV, projector (transmitting mode)/speaker, earphone (receiving mode) 4. Transmission rate: 100 Mbps 5. Effective working radius: 10 meters 6. Bluetooth standard: 5.0 7. Working frequency: 2.4 MHz 8. Input interface, 3.5mm audio 9. With LCD screen, you can directly select the device to be paired 10. Built-in AEC echo cancellation and ANC cancellation circuit to restore the real sound effect 11. Drive-free, switch in one second 12. Small and exquisite, easy to carry 13. Product size: 62x25x13.3 mm 14. Product weight: 30g

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1. BT5.0 technology, you can easily transfer music.2. Built-in microphone. Convenient to answer / reject calls while driving.3. Mini size and smart design. Easy to carry4. The built-in 110mAh battery provides about 8 working hours.5. With a remote camera function, it can bring you a great experience.6. Package Size: 10 * 7.5 * 2.2cm7. Package Weight: 52.9g

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1. Plug and play2. No external power supply3. Bluetooth standard: 2.14. Transmission rate: 3Mbps5. Interface: USB / 3.5mm6. Working frequency: 2.4MHz7. Effective working radius: 10m8. Simple operation, easy to carry, compact9. Wire to wireless, transforming ordinary speakers into wireless Bluetooth speakers10. Support bluetooth-enabled digital products such as smart mobile phones, computers, etc., to realize stereo wireless transmission11. Unit weight: 0.035kg

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1. Product name: Bluetooth Audio receiver2. Bluetooth version: 5.13. Connection range: 15m4. Frequency response range: 10Hz-20KHz5. Battery capacity: 200mAh6. SNR: less than 110dB7. (TX) Transmission mode: Transmission mode TV computer transmits audio to Bluetooth headset or Bluetooth speaker,8. (RX) Receiving mode: In receiving mode, you need to plug in the audio cable to connect the wired speaker or wired earphone. In receiving mode, you need to connect the bluetooth of the mobile phone

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1. Compatible: Android, IOS system mobile phone and Pad, and all Bluetooth audio equipment, audio equipment with audio input interface2. Suitable type: computer, TV, projector (transmitting mode)/speaker, earphone (receiving mode)3. Battery capacity: 140mAh4. Bluetooth version: V5.05. Life time: about 4H6. Bluetooth distance: 10m (open place)7. Charging method: Micro USB 5V/0.5A8. Output connection mode: 3.5mm interface9. Input connection mode: 3.5mm interface10. Packing list: host x1, charging cable x1, 3.5 audio head x1, manual x1

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1. Bluetooth version: 5.0 2. Bluetooth normal distance range: 10M (no obstacle) 3. Material: ABS 4. Applicable models: players with Bluetooth function 5. Product weight: 9g

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1. Support NFC: built-in chip, you can connect with the NFC mobile phone or other support NFC Bluetooth device directly by touching this receiver 2. Playing music on 2 speakers simultaneously: With both 3.5mm and 2xRCA 2 kinds of connection options, you can enjoy music on 2 speakers simultaneously. 3. Support dual audio ports to connect: come with both 3.5mm and 2xRCA audio port, suitable for more devices (3.5mm cable and 2RCA cable included). 4. Long-range wireless connection: The effective distance up to 10 meters/33 feet, controlling the music playing in a long distance. 5. Support auto TURN ON/OFF: Using the charger cable connect to your car or other power, when start the car or it have power, it will auto turn on, and automatically connect to the device which you last connected. When the car turned off, it will auto turn off. 6. Bluetooth 5.0 version: Compliant to Bluetooth version 5.0, backwards compatible to Bluetooth 4.2/4.1/4.0/3.0/2.0/1.0. 7. Material: ABS 8. Working power supply: DC 5V 9. Transmission distance: about 10m 10. Transmission rate: 100 Mbps 11. Audio interface: 3.5mm + 2xRCA 12. Size: 6x6x2cm 13. AV cable length: 95cm 14. Power cable length: 95cm 15. Audio cable length: 95cm

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1. Technologies: BT5.0, a2dp \ avctp \ avdtp \ avrcp \ hfp \ spp \ smp \ att \ gap \ gatt \ rfcomm \ sdp \ l2cap (receiver mode only) 2. Operation range: up to 15m / 50ft (without any blocking objects) 3. Pairing name(Receiver mode ): Bluetooth Music 4. Transmitter mode: blue LED light is on 5. Receiver mode: white LED light is on 6. Signal to noise ratio: about 110dB 7. Frequency response range: 10Hz-20KHz 8. Output impedance: 75 ohms 9. Size: 10.5x6.5x2.5cm

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1. Good quality, fashionable design 2. Compatible with iPhone / iPad, Samsung Galaxy S series 3. Simple setup: just plug the device to your speaker by USB slot without drive, charging with USB port 4. Supported Profiles: A2DP,AVRCP, HFP and HSP 5. Bluetooth connectivity to stream stereo audio instantly from any bluetooth audio devices 6. Recording function 7. Distance: 0-10 meters 8. Version: Bluetooth 2.1 + EDR

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1) Compact size. 2) Enable your speaker with Bluetooth function. 3) Plug and play, no need installation. 4) Works with the speaker which has 3.5mm line-in jack and play music from Bluetooth A2DP enabled mobile phone and other Bluetooth A2DP audio devices. Specification: 1) Bluetooth V2.1+EDR 2) Bluetooth profiles: A2DP, AVRCP 3) Range: 10 meters 4) Rechargeable 80mAh Li-polymer battery 5) Frequency response: 2.4GHz-2.4835GHz 6) Receiving sensitivity: -74±4dB 7) Charging input voltage: DC 5V 8) Up to 12 hours working time 9) About 2.0 hours charging time

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1. Connecting audio input line to change the common sound-box to Bluetooth sound-box 2. Complies with Bluetooth 2.0, 2.1 3. Support: A2DP V1.2 4. Powered by 5V DC 5. Transmission distance: up to 10 meters 6. 2 indicators flicker alternately when there is no connection. Blue light flicker slowly after successful connection 7. Easy to use by connecting audio input line to change the common sound-box to Bluetooth sound-box 8. High sensitivity level, high performance chip 9. Compact and human-friendly design, convenient to carry, beautiful out looking 10. Optional powered directly with power adapter or powered by PC USB port 11. Optional embedded battery which has long working life 12. Optional Bluetooth audio transmitter to get better result 13. Low power consumption and long continuous working time 14. Support digital products with Bluetooth function, such as Bluetooth cell phone, Bluetooth, PC, phone

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