... android: 1.Built in 3G/GSM voice calling,Barcode scanner function 2.Dual cameras,back camera with autofocus,low pric pc ... 3G/GSM voice calling+dual cameras back camera with autofocus function+Built-in GPS+E-compass GyroscopeOS Android 2.2/2 ... HD 30 fps, 1080P low decode720*480 D1 30fps codeOther Function HDMI output/ 3D digital G-sensor/ VibratorBattery 4000mAhWorking Time 4 ...