... up to 32gb main function:video,Music,ebook,picture browse portable video glass1.built in 4gb memory2.support micro sd card ... ,Music,ebook,picture browseportable video glass Function DescriptionLCD display2* LCD display.EquivalentResolution320*240(WQVGA)Video formatdisplay movies, photos, e-book,support ... / CTN50 pcsN.W. / G.W.180/370(g) hot sale portable video glass personal theater video glass