Break the wire system·Turn ordinary speakers into Bluetooth speakers in seconds,Let old speakers realize the function of Bluetooth wireless transmission,Connect the car audio to make navigation/listening to music more free, The car audio becomes a Bluetooth audio, just plug the phone into the car AUX port and connect it to Bluetooth, and enjoy the beautiful music safely,Intelligent noise reduction technology for clear calls without noise Built-in tailor-made design, high-definition hands-free calls with clear sound quality without noise, reducing echo and noise,Hard-core Bluetooth chip wireless receiving distance up to 10m,Adopting stereo Bluetooth 5.0 chip, stable and smooth connection to enjoy the convenience of wireless Bluetooth HIFI, wireless receiving distance of 10 meters Large-capacity lithium battery for long battery life·Music does not stop Full charge in 2 hours for 7 hours of continuous playback, plug in and use Support charging while using, no worry of power outage,Wireless sharing with clear and full sound quality Support SBC high-definition audio decoding, making the sound quality more delicate and pleasant,Multiple upgrades to create a combination of texture and appearance,Small body, high-value design with strong texture, high temperature resistance and longer service life Colour:Black Material:plastic Package Contents: 1 x Bluetooth receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.