... ,plastic,red ,with usb,sd ,fm product name :mini reader color:slivery digital display with remote control 1. Player ... selection2.back/REW,Under U disk or SD/MMC card playing state,press the key to switch to previous ... 3.Next/FF Under U disk or SD/MMC card playing state,press the key to switch to Next ... be searched every 0.2second.4..Under SD/MMC card playing state,insert the U disk,the player automatically ...