Save your tired eyes with the 3D Smartphone Screen Magnifier. Perfect for watching movies and reading text from your phone, the 12-inch 3D Smartphone Screen magnifies the phone screen 2 to 4 times, helping reduce discomfort, eye strain, and visual fatigue often caused by long-term focus on a small screen. Featuring a rotating folding design, the magnifier works with all smartphones and super slim when folded for easy storage in a purse, suitcase, or carry-on bag. Great for indoors, camping, road trips, plane rides, and more!