4.3 INCH TOUCH SCREEN,ANDRIOD 2.2 SYSTEM 2G FUNCITON,CALL FUNCTION,message,Gprs,850/900/1800/1900MHz,4 brand ... 4 brand Supports operational system:Google android 2.2I/O Slots:on the transfer box ,it has USB.2.0 ... show ;Film string;Rotation Zoom In/out;Multi Touch(two points) for Photo Zoomsupporting audio formats:MP2,MP3,WMA ... ScreenBrowser:chrome lite,google default MID Tablet PC WITH 2G call function