1, 2.1 all in one home audio system HDMI 1080p 2, USB 2.0 slot 3, Memory card jack 4, Remote control ... /WMA...4, Support two ways AUX Input,AUX one is 3.5mm jack, AUX 2 is RCA jack.AUX volume is ... /V Line, Remote Control, BatteryProduct picture:Front SideBack Hi-Fi Shelf Music System W/Remote Control Stereo Music