... . with AV-IN NEW Wireless 50" LCD Video Glasses Max 32GB Memory (Karlton2) Feature50inch 4:3 wide screen virtual ... sound effectMemory Card Slot: Micro SD card slot, support max 32 GBSpecsVirtual Screen Size:50inch away 2meters virtual distanceScreen Resolution ... Music Feature: Diversified folders, playlists, edit.Ebook feature: Bookmark, Page jump, Txt Color, Txt Size,Browse Mode, Auto-paging, Reading ...