... 800*480 *good quality with competitive price e-book reader1.Polymer lithium battery built-in2.Display screen type ... video play:support avi,mpg,etc.10.e-book function11.calendar function:support date and time12.auto ... ~7 hours for video,12 hours for e-book browsing15.language of menu:English and other 17 ... ,EPUB,FB2,HTML,PDB,PDF,DOC,etc.19.book mark function20.browsing mode:support manual operation and ...