This device lets you stream music and calls directly from your Bluetooth device to your car FM stereo system. Enjoy your driving more interesting and safe. Features: 1.Wirelessly transmit phone call from Bluetooth mobile phone to the car FM stereo system; 2.With A2DP function,stream music from Bluetooth device to car's FM stereo system 3.Switch to Hands-free mode automatically from music playing status when receiving calls; 4.Built-in Microphone, with hands free talking function 5.Dual USB charging Port for charging IPAD,iPhone and other rechargeable devices.(DC 5V/2.1A ) 6.Supports music playing from USB/Micro SD/AUX-IN; 7.Draws power from the cigarette socket in the car (DC 12V/24V); 8.206 channels optional from 87.5-108MHz; 9. Elegant Digital tube display 10.With Voice prompts 11. Incoming call number announcement 12. Last call redial 13.Supports folder switch & 4 loop modes: Folder,one,random,all; 14. EQs: Normal, Pop, Rock, Jazz, Classic;