... E-book: ANSI, Unicode TXT, Doc, PDF, HTML, FB2, PDB,and EPUB TTS (optional) History,Skip page, Read from bookmark, create ... bookmark and delete bookmarkVideo format:WMV, RM, AVI, 3GP, RMVB, MP4, DAT ... ) off, 3, 5, 10, 15, and 20mins Screen refresh: full screen refresh and partial refresh With calendar and G-sensor USB port: USB 2 ...