1.8 inches LCD display car MP3 / MP4 Player and FM transmitter Plug and play function， can play music automatically when plugged onto car cigarette lighter Multi-functions: MP3 player， MP4 player， SD card reader， FM transmitter Supporting MP3 / MP4 / WMA audio and video format Supporting SD / MMC extender card up to 4GB (not included in the package) Built-in FM stereo transmitter， frequency range 87.5 - 108.0MHz， totally 206 channels With remote control， allowing you to control music play freely 1.8 inches LCD display for synchronized LRC function Adjustable panel and body to meet your optimal view angle Powered by 12 - 21V car charger socket Working temperature: -5 to 40 centigrade degree An ideal companion in your car to let your enjoy videos， pictures， music， and FM radio more freely