1.7 inch Rockchip 2918 tablet PC 2.Optional bluetooth 2.1+EDR 3 ... .Optional external 3G 5.Support WIFI tablet pc with windows 7 CPURockchip 2918 1.2GOperation systemGoogle Android 2. ... ,one OTGBattery typeRechargeable polymer battery,4000MAH,15h,tablet pc androidUSB2*USBSpeakerD ClassMICYesMultimedia videoH.264,VP8,RV,WMV ... ,FCC,ROHS,LVD of adaptorWarranty1 yearsWeight421g tablet pc android 7 inch