... * Batter power: 4000mAh * G-sensor and Wifi Latest 7" Tablet PC with G-sensor, WiFi and 3G* CPU RK2818, 1GHz * Operating system: android ... SD slot earphone jack, power jack, AV cable* Out-built 3G * Can play 4-5 hours with full power* Power: 4000mAh ... ,WMA,WAV,AAC,OGG,APE,FLAC,AC3 *G-sensor and wifi* Office email client, video player, widgets, picture viewer, browser, office ...