... ABS board -MP3 decoder board -MIni audio board sd usd MP3 Decoder Board with FM radio (Mini audio ... board)MP3 decoder board, SD, USB/mobile/MP3 player decoder board, with FM ... wire optionMore information:-this mp3 decoder board supporting SD Card and USB disk to play music-Support ... speaker, stage speaker, ect.We can add USB/SD function and FM radio on multimedia speaker, mini speaker ...