... repeat,mode Decoder Board with FM radio for SD card,usbFunction and features: SD/MMC/USB Card MP3 Decoder Board, pcb board, fm ... cableOptionAntenna wireOption More information:-Supporting SD/MMC Card and USB disk to play music-Support MP3,WMA format-With FM radio, memory ... ALARM+, and POWEROFF+.4.“MODE”: When this player works with SD card and USB flash drive together, it has such switching order ...