... .5 7"inch E-book reader SpecificationsSave Bookmark, Distill Bookmark, Del Bookmark Supports TXT,FB2, PDF,PDB,EPUB,SKT,HTML Supports ... ; Video: 8 hours; reading: 12 hoursBook markSave Bookmark ,Distill Bookmark,Del BookmarkPowerDC: 5.0V, 1.0A (100V~240V)USB HOSTHigh speed ...