Display : 4.3inch, 5inch, 7inch, 10inch Memory: 128M, 512M, 1G, 2G, 4G, 8G, 16G, 32G Battery : Lithuim 320mA - 3500mA Standard: 4.3inch, 5inch and 7inch is 1000mA, 10inch is 1500mA Switch : on/off switch, push button, touch button, magnetic induction switch Function : Video play, image view, txt view, music paly Video Format : RMVB, AVI, MKV, VOB, MOV, FLV, ASF, DAT, MP4, 3GP, MPG, MPEG Music ...