V2COM M2 15.6" IPS Full HD Triple Screen Extender Portable Folding Monitor All Laptops For Windows & Mac VESA Mountable/Ergo Design Built In Speakers : Product descriptionThe World’s First Foldable Dual Laptop Screen Extender: The laptop monitor features dual 15.6 inch 1080P screens, stacking on top of each other to expand a 21" larger visual area.Multiple Display Modes, Explore More Usage Methods: The innovative monitor ex