... Internal rechargeable lithium battery ,6800mAh ButtonPower, Back,Menu,Home,search,Volume+,Volume-,Function KeyOperation SystemAndroid 2.2VideoHardware Decoding:H.263,H.264 ... ,MPEG-1/2/4MP/HP up to 1080@40Mbps@30fpsSoftware Decoding:RM ... to green after fully chargedFlash after network connected Hottest 10.1" Tablet PC with Android 2.2 OS