1, Middle size dvd player 2, DVD Player 3, 5.1ch dvd player with usb and sd card reader Performance Attributes:* Compatible with MPEG4,DVD, CD,VCD,SVCD ... -1 layers 1,2 and 3(MP3) audio decoding* Compatible with PAL,NTSC and Multiple TV systems* 2.1channel out(optional ... usb output (optional)* Accessory:Remote control, AV cable,Batteries,IM* With USB slot Inner Packing:1pcs/box Unit Dimensions:360*38 ...