1.7'' TFT color screen E-book 2.EBOOK TXT,PDF,HTM,HTML,EPUB,FB2 ... Built-in memory: 2GB 7'' TFT color screen E-BOOK --Specification Screen7 inch TFT color display (16:9) ... x 480 PixelsCPURockchip 2729Flash Memory 2GB Operation SystemLinux 2.6.24EBOOK TXT,PDF,HTM,HTML,EPUB,FB2Photo JPG ... WAVMovieAVI,RM,RMVB,MP4,3GPSpecial Functions USB InterfaceMini USB(2.0) for fast data transfer Card readerMicro SD card ...