Foldable Design: Smartphone TV screen magnifier adopts a foldable design, which is very portable and suitable for indoor or outdoor use. Easy to Use: Smartphone magnifier screen is easy to operate, just slide the phone into the side opening and you can start using it. Double Magnification: Smartphone screen magnifier increases your screen by 2 times, making it easier to see. Three Dimensional Display: Retractable mobile phone screen magnifier does not need to connect wires to watch three dimensional video immediately. Plastic Material: Phone magnifier is made of plastic material, rust proof, wear resistant, light weight, convenient to carry and use when going out.