... Android OS 2.3.4Touch SystemFive-Point Resistive Touch Screen5.0-inch(diagonal) Touch ScreenResolution: 800-by-480-pixelExtrasGravityWirelessWi-Fi ... F4V, FLV , MOV, MKV and 3GP etc.; Support YouTube ,TED Mobile and BBC News etc.TV-OUT Support HDMI-out Audio ... Environment Windows 98SE/ME;Windows2000;Windows XP or aboveIn the BoxDevice PT127 , User's Manual, USB Cable, Stereo Earphone, Charger 5.0-inch ...