PiPo Smart-S1 PRO Android 4.2.2 Quad-core 8GB Tablet PC with Wi-Fi (Black)+ Free Shipping Worldwide RK3188 quad-core 1.8GHz CPU; Android 4.2.2 operating system; Mail-400 quad-core GPU 7.0" 5-point IPS capacitive touch screen; Features Wi-Fi and external 3G; Supports 4k video, Picture in Picture (PIP) function, auto screenshot and auto focus; Supports G-sensoring and 3D games 1024x600 screen resolution; High mega pixel dual camera; Powered by 3200mAH battery Supports OTG connection to keyboard, mouse, USB flash drive and removable hard disk