... 30lumens Operating systemAndroid 2.1,ROCKCHIP2818Wireless NetworkSupport WPA and WEP encryption Chat softwareSupport MSN ,Googletalk ,yahoo ... PowerPoint browsing, simple editing operations,View PDFWireless mouse and keyboardsupportVGA portSupport video formatAVI,RMVB,RM,MP4,MOV ... other language for optional)Focus Manual BatteryBuilt -in li-ion battery 2200mAH, Charging Mode, DC interface Power supply ...