... 16GB optional)Camera: 1.3MP(front)Connectivity:Wi-Fi: 802.11b/g/n WLANSupport USB 3G DongleInput/output:MiniUSB2.0 x1, USB OTG ... MP4A, OGG, FLAC, AAC+, Eaac+ and AMR-WBVideo formats: (Support 1080P) AVI(H.264, DIVX, DIVX, XVID, rm, rmvb, ... ,500mAh (Li-ion) Standby hour: 5~10H, by WIFI about 4.5HInput voltage: 100 to 240V AC, 50 ... 13mmWeight: 300/400gCertificate: CE, ROHS, FCC 7inch wifi tablet computer