... .4V, 2300mAh Gravity SensorSupport 3 Direction Speakerbuild-in 1w*2 stereo sperkersApplicationLanguageMulti-lingual: Chinese,English, Spanish, Italian, French, Portuguese, Russia,Germany ... Standar keyboard Network3GIt's OptionalWiFi802.11b/g/n (540MB/S)Bluetooth Don't SupportI/O ConnectorHDMIx 13.5 mm Earphonex 1USB ...