Product Features eBook ReaderFeature1usbDisplayDisplay TypeE InkDisplay ScreenMattScreen Diagonal (cm)15,24Screen Diagonal (inch)6Touch ScreenYesLevels of Grey Scale16EquipmentRead Out FunctionNoSupported Text FormatsDOCYesHTMLYesPDFYesTXTYesSupported Audio Formats--Supported Video Formats--Supporte..