Description>> 1. Adjustable to any angles,and fit to all types of vehicles,2. Full frequency FM transmitter, 3. Digital display, 4. Supports MP3 player audio input, 5. Supports U disk player, 6. Supports MP3/WMA music format, 7. Supports automatic power-off memory function, 8. With power off switch(USB direct connect), 9. Bluetooth answer,hang up,reject,redial calls etc., 10. Bluetooth stereo music play, 11. Echo cancellation and noise suppression (CVC) technology, 12. Support listening Cell phone's music and answering calls via bluetooth, 13.This device transmit signal by wireless method, no need to modify anything in car. It can be used both as the music player in entertainment purpose or hands-free car jut for the safety driving purpose