... .7 inch E-ink/16-Grayscale/1200*825 panel/WIFI/Linux Ebook reader EPUB,TXT,PDF,CHM, ... .7 inch E-ink/16-Grayscale/1200*825 panel/WIFI/Linux Ebook readerFomats:EPUB,TXT,PDF,CHM, ... 7" E-ink Resolution1200×825,16-GrayscaleSDRAM64MMemory storage 256MB(Max 1GB)Extend storage SD card (128MB-8GB)Music formatMP3, ... .7 inch E-ink/16-Grayscale/1200*825 panel/WIFI/Linux Ebook reader EPUB,TXT,PDF,CHM, ...