... 2.2 * Batter power: 4000mAh * G-sensor and Wifi 7" Tablet PC with G-sensor and wifi * CPU RK2818, 1GHz * Operating system: android ... support USB 2.0 & SD/MMC, up to 32GB * Ports: two micro SD slot earphone jack, power jack, AV cable* Out ... : MP3,WMA,WAV,AAC,OGG,APE,FLAC,AC3 *G-sensor and wifi* Office email client, video player, widgets, picture viewer, browser ...