1.[Enjoy Wireless Music Streaming]Via the 3.5mm AUX adapter, this Bluetooth receiver can connect to non-Bluetooth car audio system, home stereo, speaker, and wired headphone; Equipped with an advanced Bluetooth 5.0 chip, it has stable connection, fast transmission, and wide signal range. Pair your phone and start your musical journey! 2.[Intelligent Noise Reduction]Our AUX Bluetooth adapter adopts the latest CVC8.0 Noise Cancellation and Digital Signal Processor (DSP) technologies, which eliminate echo and block out background noise (such as wind, traffic, or crowds), providing you with clear calling sounds. 3.[16 Hours of Long Battery Life]This car Bluetooth adapter lasts up to 16 hours when making calls or playing music. And it can be fully charged in just 2.5 hours using the Type-C fast charging cable (included in the package). In addition, this Bluetooth music adapter can also be used while charging, very convenient. 4.[Hands- Calling & Navigation]The built-in microphone picks up sound, and the "MFB" button answers/redials/hang-ups/rejects calls to your hands. Also, the Bluetooth audio receiver supports broadcasting voice notification from navigation Apps. You don't have to look down the phone on the move. Make sure you drive ly!