... :pcb board for MP3/SD/USB, fm radio and digital screen display, with power on/off switch, remote control, and so ... control1Sound cableOptionPower cableOptionAntenna wireOptionMore information:-Supporting SD/MMC Card and USB disk to play music-Support MP3-With FM radio- With ... 100,including around 5 R&D StaffProduct Line: mini Card& USB reader speaker, portable FM radio speaker, mobile speaker, active ...