【Bluetooth 5.0 - Enjoy Wireless Music Streaming】- The Bluetooth Car Receiver connects to non-Bluetooth devices via a 3.5mm AUX port, adding Bluetooth functionality to your wired headphones, car and home stereo. Equipped with a Bluetooth 5.0 chip for stable connection/fast transmission/wide signal range, just pair it with your phone and start enjoying high quality music! 【Amazing Sound Quality & Intelligent Noise Cancellation】- Our Bluetooth car adapter uses a professional HD audio decoder chip that supports MP3, WAV, WMA, FLAC, APE and other audio resolutions, allowing you to enjoy high quality music streaming. The latest CVC noise reduction technology removes noise and provides you with clearer sound for calls. 【18H Ultra-long Standby, Type-C Fast Charging】- This Bluetooth receiver has a built-in 250mAh battery that can last up to 18 hours of operation. Comes with a Type-C fast charging cable and takes just 2 hours to fully charge. On top of that, you can use it while it's charging, very convenient! 【Easy to Use】Connect the Bluetooth receiver to the AUX port of another device to make calls or listen to music via Bluetooth connection; simply press the power switch to answer/hang up calls, play/pause music, and support volume adjustment and song switching. 【Smart Dual Connection】- This car Bluetooth aux adapter supports connecting two Bluetooth devices at the same time, allowing you to switch between the two devices easily, so you can enjoy your music and not worry about missing any calls at the same time. Once paired successfully, the car receiver will automatically reconnect to the last Bluetooth device you paired.