7.4" E-Ink technology screen mimics real paper screen, Easy to read. Support Characters zoom in, zoom out.Support languages have English, Japanese, Traditional Chinese, Simplified Chinese. Support Graphics, photos zoom in, zoom out. Support Last page of read start, mark and fast move page. Support PDF/EPUB/PDB/TXT/HTML/JPG/BMP file, supply convertor software. Support MP3 player. Support SD card slot.