... ,grayscale 16C 2, JZ4750 360MHz CPU 3, QWERT keyboard 4, WIFI 802.11 B/G build in 5, Linux OS Model ... slot Micro-SD, Up to 16GBEarphone 3.5''Speaker 0.8w*2Text format TXT, PDF, HTML, HTM, EPUB,FB2Working duration Page ... , USB cable, Spec, Warranty cardDimension 200*124*8mmWeight 225g 6" WIFI E-INK E-BOOK