... 1.4.7'' e-book touch Screen 2.EBOOK : TXT,PDF,HTM,HTML,EPUB,FB2 3.CE/FCC/ROHS passed 4.good quality+low price+fast delivery 4 ... Music MP3, WMA,WAVMovieRM, RMVB, AVI, WMV, MOVSpecial Functions USB InterfaceMini USB(2.0) ... Battery 3.7V/1750MAH EBOOK 5-7 hours, Music 4 hours, Video 3 hoursColorBlack/Silver ... to Speech)(Optional) Built-in 2GB-8GB memory (Optional) Support FM Radio(Optional) Frequency range: ...