high speed 7inch phone call tablet pc with wifi 1.RK2818 2.3G,GPS,WIFI,Bluetooth 3.support tf card 4.1year warranty Detailed Product Description cheap 7inch phone call tablet pc with wifi 1.RK2818 2.3G,GPS,WIFI,Bluetooth 3.support tf card 4.1year warrantyDetails CPURK 2818 600MHz RAM: 256MB Nand Flash 4GB Display7” 800 × 480 resolution Touch Screen: Resistive touch screenStorage Expansion: ...