... (Mini audio board)MP3 decoder board, SD, USB/mobile/MP3 player decoder board, with FM radio, LED power ... 5V FM frequency range 88MHz-108MHz Function MP3 player+ FM radio Accessories Remote control 1 Sound cable ... this mp3 decoder board supporting SD Card and USB disk to play music-Support MP3-With ... around 5 R&D StaffProduct Line: mini Card& USB reader speaker, portable FM radio speaker, mobile speaker, ...