... board, SD, USB/mobile/MP3 player decoder board, with FM radio, LED power display, support remote control, ectKey function: last ... R&D StaffProduct Line: mini Card& USB reader speaker, portable FM radio speaker, mobile speaker, active speaker, tower speaker, stage speaker, ... ect.We can add USB/SD function and FM radio on multimedia speaker, mini speaker, active speakerRemarks: 1) More ...