... * Battery power: 4000mAh * WIFI built-in 7" Tablet PC with G-sensor and wifi *CPU RK2818, 1GHz * Operating system: android 2.2 ... : MP3,WMA,WAV,AAC,OGG,APE,FLAC,AC3 * G-sensor and wifi* Office email client, video player, widgets, picture viewer, browser ...