with Wifi, Android system, touch pad, 7 inch Central Processing Unit (CPU)Telechips 8902, 720MHz ARM11Operation System (OS)Android 2.2ARMDDR2 256M LCD & Touch ... . Return button on IO board4. Lock button on IO boradG-sensor ControlSupportWirelessWIFI802.11 b/g, 2pcs antenna3GUSB Dongle,WCDMA,EVDO(Option ... ,AVI,RMVB etc..AccessoriesCharger/ User Manual 7 inch Touch Pad with Android system 4:3 for OEM