... 2.1/2.2WIFI802.11b/g3GExternal 3G,Support EVDO list1,HUAWEI EC122 2,ZTE AC27663,ZTE AC5804,SINCOM SE 189-U5 ... ,Gemtek W3GUBV-100 6,WCDMA list7,HUAWEI E1808,HUAWEI E1750Audio8 Ohm x 1 Watt,Loud and clear sound ... ;DC 9V /1.5AI/O port2pcs USB interface(1 for 2.0usb, 1 for 1.1usb), support stereo head phone jack socket ... mould 7 inch Touch Pad with Android system 4:3 for OEM