1.Android 2.2 OS. 2.8.0 inch 800*600 WXGA High Definition Resistive Touch ... Screen 3.Support WIFI 4.Support external 3G Features:8 inch 800*600 WXGA Resistive Touch Screen Support Android ... RM, RMVB, MKV ( H.264, DIVX, DIVX, XVID ), WMV, MOV, MP4 ( H.264, MPEG, DIVX, XVID ), DAT ( VCD ), VOB ( DVD ... etc.Vedio Formats Support AVI, RM, RMVB, MKV, WMV, MOV, MP4, DAT, VOB, PMP, MPEG, MPG, FLV, ASF, TS, ...