SPECIFICATION
1) Support MP3, U disk directly;
2) Built-in FM wireless transmitter, transmitting range: 87.5MHz ~ 108.0MHz,total
  206 frequencies optional.LED indication;
3)Automaticly playing function: play the music automaticly when you insert the 12 Volt
  Adaptor End into your vehicle's cigarette lighter receptacle or power port.
4) Read MP3 file from the USB flash disk,MP3,MP4 player directly and play through
  any FM receiver including the car and home stereo system;
5)Memory functions: Have memory of last song, volume or frequencycan resume
  from the last song, volume and frequency when restarted;
6)Four control keys: PLAY/PAUSE, PREV/V-, NEXT/V+ and CH;
7)Power Supply: Draw power from car cigar-lighter (12V DC power);