... "QHD screen,960 x 540 pixels,Equipped with the Android 4.1.1 OS,WCDMA/GSM,four-bands , Mobile AP,wifi,GPS ... case(Optional)Positioning:Ultra-thin Android PAD(Android 4.1.1 OS)Selling points:MT6577-1.2GHZ Dual-core high-speed processing platformInternal ... Optional)Equipped with the Android 4.1.1 OSGPS+AGPS global positioning navigation system3G,WIFI 802.11b/g support,EDGE,HSDPA,HSUPALight sensor,Gravity ...