Detailed Selling Lead Description 1 Support USB or SD/MMC card 2 Support external audio player (mp3 ,Player, CD, VCD, etc). 3 Draw power from the cigarette lighter in the car (DC12V power). 4 Rotary joint design more convenient to adjust the device position. 5 Frequency and track memory function. 6 Full FM frequency:87.5~108.0MHz 7 LCD Screen Display ID3 tags. 8 Read MP3 file 9 Six key remote control or digital control