... 4G, up to 16 GB (optional)Expantion SlotTF card slot 32GB maxSpeakerBuild inBatteryPolymer Li-on Battery 2000MAHDRMAdobe DRM: ... PDF+DRM, Epub+DRMTouch ScreenOptionalWIFIBuild in WIFI 802.11 b/g/n(optional)USB2.0USB ... BMP,TIF,PNG,SVG,MNG,ICOMusicMP3,music playback,in background, comic reader functionMulti-LanguageEnglish,Russian,Indish,Hebrew,Arabic,Spanish,Italian ...