This is a MP3 player special used in car. It can download file from computer directly and save it in the inside flash memory. >> Perfect vision of Blue background light under pushbutton >> Fashionable and innovative design with fold function >> Power from Car Cigarette Lighter directly (DC12V-24V) >> 18-Buttons remote controller will be let you choice any songs (serial number) to play ahead at will >> Digital LED display of present frequency, volume, serial number of songs >> Remember the last frequency and music, track and recall them when restarting