[Enjoy wireless streaming music] This AUX Bluetooth adapter can be connected to non-Bluetooth car audio systems, home audio, speakers, and wired headphones through a 3.5 mm AUX adapter; and is equipped with a Bluetooth 5.0 chip, which can achieve stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to music immediately! [Intelligent noise reduction technology] Our Bluetooth receiver uses CVC8.0 noise reduction and digital signal processor (DSP) technology, which can eliminate and block intrusive background noise (such as wind, traffic or crowds), providing you with clear Call sound. [Battery life up to 16 hours] This car Bluetooth adapter has a working time of up to 16 hours. It only takes 2.5 hours to fully charge the device by using the Type C fast charging cable (included in the package). In addition, this Bluetooth music adapter can also be used when charging, which is very convenient. [Hands-free call and navigation] Built-in microphone and a "" button to answer/redial/hang up/reject the call, help you make hands-free calls. The Bluetooth audio receiver supports navigation applications to send voice notifications. You don't need to check your phone while you are moving. Make sure you drive safely! [Dual connection] The portable Bluetooth audio adapter can connect 2 devices at the same time. You can enjoy music without worrying about missing any calls. After pairing, as long as it is within the wireless range, the car receiver will automatically reconnect to your last paired Bluetooth device. Material:ABS colour:Black + Gray Package Contents: 1 x Host 1 x audio cable 1 x charging cable 1 x adapter 1 x English manual Only the above package content, other products are not included. Note: Light 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.