... , HTML, FB2, CHM ... About 20 days reading time HighLight FeatureScreen : 6 inch EINK 4:3 Vizplex (OED compatible Screen optional)Wifi ... time)Interface: USB2.0 and TF cardDevice Spec Main display:6 inch E-ink panel, 800 x600 resolution, touch panel(optional ... ,TCRPicture format:JPG,BMP,PNG,TIF,GIFAudio Format:MP3, WAV with background playbackReading: 6" E-ink Panelpaper like display, No back light ...