Hi! I bought two of these from Amazon. One black and one white and only used the black one. I don't need need two HAHA and it already past the time to return it. Please search "Limitless TotalDesk Portable Workstation and Lap Desk with Adjustable Height & Tilt (White)" for full details, demos, and reviews. Collapsible/Foldable Adjustable Height Levels Adjustable Tilt Level Detachable Phone Holder Detachable Book Stand Tablet/Phone Groove with Cable Openings Storage Drawer / Cup Holder