Fangrui Product Details And High Quality. Plug And Play: Installed Via Cd Charger Port, Simple And Fast,perfectly With The Car Support Hands-free Phone Calling(hfp): Supports Answer/hang Up Etc. Via Car Radio Buttons And Steering Wheel Buttons. Support A2dp Playback: Easily Streaming Music Of Bluetooth Devices Into Factory Car Stereo System Bluetooth Avrcp Control Technology: You Can Use The Car Audio Host (or Steering Wheel) To Control Song Selection /prev/next Track,pause,fast Forward/backward Hi-fi Sound Quality: Connected To Car Stereo Via Wire Harness, No Interference And No Loss Of Sound Quality, Rivaling Cd Sound. Multimedia Car Bluetooth Connector . Bluetooth Supports Hands-free Answering Calls (you Can Control Answering / Hanging Up Calls Through The Car Audio Host And Steering Wheel Buttons), Support A2dp Bluetooth Music Playback (through The Car Audio Host, Steering Wheel Control Song Selection / Fast Forward / Fast Rewind / Pause, And Support Multiple Bluetooth Devices) Power Supply: 12v Car Dc Voltage Input:11v-1