Features: 1. USB Bluetooth Adapter 5.0, USB Wireless Bluetooth Adapter is not compatible with TV; 2. Note: This product is not compatible with TV. The CSR5.0 Bluetooth adapter is currently the highest and fastest version of the new product, with wide compatibility and ultra-high speed stability. 3. The effective Bluetooth range is 20 ~ 50 meters (no barrier or environmental factors, such as interference up to 50 meters) 4. Its small size is easy to carry and prevents blocking of the surrounding USB ports. 5. Support multi-device connection: Car, radio, subwoofer, amplifier, multimedia, audio Specifications: 1. Product name: Bluetooth Receiver 2. Bluetooth version: 5.0 3. Working frequency: 2.4MHZ 4. Barrier-free transmission distance: 10m 5. Applicable equipment: USB audio, car, amplifier, multimedia 6. Size: about 32.5*16*8 mm/1.28*0.63*0.31in 7. USB interface, indicator (or MIC), hanging hole 8. Material: zinc alloy 9. Support multi-device connection: car, radio, subwoofer, amplifier, multimedia, audio Instructions: (1) Mobile phone Bluetooth pairing Go to the phone ''Settings'' - ''Bluetooth'' connection ''BT-MUSIC'', there will be a voice prompt when the connection is successful (2) Mobile music play Opens the music player in the phone and plays music, so you can listen to music with your car stereo. List: 1* USB Bluetooth receiver 1* instruction manual