... 4, 5.3"QHD screen,480 x 854 pixels,5,Mobile AP,wifi,GPS+AGPS,Light sensor,Gravity ... Slim leather case(Optional)*Equipped with the Android 4.1.1 OS*GPS+AGPS global positioning navigation ... 11b/g support,EDGE,HSDPA,HSUPA*Light sensor,Gravity Sensor,Proximity sensor,Digital compass*Mobile AP* ... languagesDetails:AppearancePDA flat touchSize151.1*80.1*9.4 (Unit:mm)weight160gMemoryRAM:1G+ROM:4GOSAndroid OS, ...