... power: 4000mAh * private tool 7" Android tablet PC with HDMI port * CPU RK2818, 1GHz * Operating system: android 2.2 ... * 1G DDR2 512M×2 * Rom(storage) 2,4,8NAND Flash* Graphic card support USB 2.0 & SD ... jack, AV cable* Out-built 3G * Can play 4-5 hours* Batter power: 4000mAh * Video formats: RM ... MP3,WMA,WAV,AAC,OGG,APE,FLAC,AC3 * HDMI port* Office email client, video player, widgets, picture viewer, ...