... 2 SDRAM: 256MB 3G module / GPS WIFI / Office software Tablet pc with 3G, GPS, WIFI, Phone Call Spotlight3G (Built-in)WCDMA / ... Battery TypeBuilt in Li Polymer( 3800mAH ) 7.4V, Last for 5-8 hours Gravity SensorSupport 4 Direction, Rotate the Menu ... 1w*2 stereo sperkers ApplicationLanguageMulti-lingual, include but not limited with: Chinese,English, Spanish, Italian, French, Portuguese, Russia,Germany & ...