1.standard usb1.1/2.0 with high speed transmission

2.built-in FM transmitter stereo transmit

3.play mp3 file form USB driver or movable hard disk .

3. frequency range 87.7/87.9/88.1/88.3/88.5/88.7/88.9MHz and 106.7/106.9/107.1/107.

4.auto power off memorizing function

5.digital led display the working frequency work state and vol

6.power from car lighter directly(DC12v)