... .11b/g/n standard,highest transmission get to 300Mbps,support local WAPI wireless protocol standard3G(Optional ... OTG and HOST, connecting to PC as a U disk,also can connect to a U disk, keyboard, ... video encoding.GravityBuilt-in 3D gravity sensor, to make screen realize 360 degree rotation,support gravity ... of office software based on Android platform, to realize office functions, Such as Word\Excel\ ...