Fangrui Product Details [bluetooth 5.0 Adapter]: On Hand, Bluetooth 5.0 Greatly Improves The Speed Of Audio Data Transmission, Allowing You To Listen To Music Without Delay While Ensuring Lower Latency And High Sound Quality, And On The Other Hand, It Extends The Effectiveness Time For Calls. The Transmission Distance Can Reach 10 Meters To Meet Your . [hands-free Calling And Navigation]bluetooth Car Adapter. Built-in Microphone, One-touch Multi-function Button To Answer/hang Up/reject Or Redial Calls. Connect The Bluetooth Ports 3.5mm Aux Dongle To Your Cars Aux Jack And Connect Your Phone To Your Cars Audio System So You Can Not Only Make Calls, But Also Listen To Dynamic Music And Stream Voice Notifications From Your Existing Navigation App. [cvc8.0 Noise Cancellation]: Our Bluetooth Audio Receiver Utilizes Cvc8.0 Noise Cancellation Technology To Clear Hearing And True Voice Transmission. Eliminates Echoes And Blocks Distracting Background Noise (such As Wind, Traffic Or Crowds) To Give You A Cd-like Music Experience. [dual