MSRM Bluetooth 4.0 Wireless Music Receiver Hands free Car Kit Speaker with 3.5 mm Aux Input, Audio Music StreamingNFC support 1. Support AVRCP technology for easy-to-use music controls; Music player controls - Play, Pause, Previous song, Next song; Talking controls: Answer and reject calls, private call is available; 2. The latest Bluetooth 4.0 (fully backward compatible) for full-speed transmission and low power consumption; 3. Forbes recommend:Hands-Free Phone Calls And Crystal Clear Music At A Price That's Music To Your Ears; 4. Multi-Point Access; Built-in microphone and built-in high performance stereo audio codec; Echo and noise cancelling technology supply a more clear call quality; 5. Free Dual USB car charger included, capable of charging two devices simultaneously; Magnetic base is more easily detachable from the controller compared with sticky base.