This genius gadget will instantly increase your viewing screen size when viewing videos, pictures etc on your phone as it will automatically enlarge the image and it will be displayed on the larger screen. There's no batteries or wires to worry about and it will also let you view 3D content on a larger screen too. They are available in several different colors and are perfect for watching videos without having to carry a tablet around with you to watch them on. Simply insert your phone into the groove and your screen will show on the larger screen and enable you to view videos etc for hours without having to worry about a tiny screen.