... JZ4755/400MHz CPU Linux 2.6.24 Operating System the main feature:6” E-ink panel, 800x600,16 grey scaleJZ4755/400MHz CPULinux ... ,FB2,HTML,TCR(Psion Text),Pamldoc(Aportis Doc),CHM,Open E-book(oeb),OpenReader ,MobipocketMusic : MP3,WMA,WAV,M4AImage : JPG,BMP ... ) (OPTIONAL)Acessories: Earphone, USB cable, User manual,charger, Giftbox the newest 6" E-ink book Reader with Samsung CPU,4GB,WIFI function