Pcb with LED display -support SD / USB Card Reader,FM radio,LED display -MP3 decoder,pcb assembly -DC 5.0V,IN -power on/ ... :MP3/SD/USB Card reader, fm radio and digital screen display, with power on/off bu remote control, and so on.More ... and USB disk to play music-Support MP3-With FM radio- With digital display- Support display of date and time, and synchronous lyrics-Connect ...