... Windows CE 6.0 or Android 2.2,the newest chip , V8650 CPUVIA 8650,800MHzOperation systemWin CE 6.0/ Google Android ... ,support external keyboardMouse&Touch padbuild-in 2.2" touch panel, set two shortcut key,and usb standard mouseUSB PortUSB 1.1 ... Windows CE 6.0 or Android 2.2,the newest chip , V8650