... card up to 32gb main function:video,Music,ebook,picture browse portable video glass1.built in 4gb memory2.support ... micro sd card up to 32gbmain function:video,Music,ebook,picture browseportable video glass Function DescriptionLCD display2* LCD display. ... EquivalentResolution320*240(WQVGA)Video formatdisplay movies, photos, e-book,support MPEG, AVI, ...