... TF card,USB,AUX Decoder Board with FM radioStrang decoder: TF card,USB,AUX MP3 Decoder Board, pcb board &ABS board, fm radio and digital ... -, ALARM-, and POWEROFF-.3.“VOL+”: Can set VOL+, TIME+, ALARM+, and POWEROFF+.4.“MODE”: When this player works with SD card and USB ... standby mode when you press this button. SD card decoder board: SW-005 TF card,USB,AUX Decoder Board with FM radio