[Bluetooth 5.0 adapter]: On the one hand, Bluetooth 5.0 greatly improves the transmission speed of audio data, allowing you to listen to music without hanging up, and can also achieve lower latency and high sound quality , on the other hand. extends the effective transmission range to 10m. Meet the needs of life. 【Hands-free calling and navigation】 Car Bluetooth adapter built-in microphone, one-key multi-function button to answer/hang up/reject or redial a call Connect the 3.5 AUX converter mm from the Bluetooth connector to the car AUX interface Connect your phone to the car audio, so you can not only talk but also listen to dynamic music, and supports transmitting voice notifications to from existing navigation apps. 【CVC8.0 Noise Cancellation】: Our Bluetooth audio receiver adopts CVC8.0 noise cancellation technology and DSP chip, which provides clear listening and real voice transmission. Eliminates echoes and blocks distracting background noise (such as wind, traffic or crowds) to