... or FAT32 systems supported*Memory the song number and volume even power cut down*With Remote control*Power ... in USB/SD ( or previous channel in FM) ,and move the position in setting the Time ,Alarm , Timing ... in USB/SD (or next channel in FM), and move the position in setting the Time ,Alarm , ... just input the numbers in series . Mp3 Player Module,usb/sd,FM,remote LCD mp3 module,8GB amplifier mp3 player ...