Decoder Board with FM radio -SD/MMC,USB, pcb -memory function:FM,volume -Max vol:26 -last/next songs, ... vol,Pla/Pau,repeat,mode Decoder Board with FM radio ... card,usbFunction and features: SD/MMC/USB Card MP3 Decoder Board, pcb board, fm radio and digital screen ... standby mode when you press this button. Decoder Board with FM radio for SD card,usb