Maxbo Phone Screen Magnifier, MAXBO Cell Phone Movie Video Amplifier with Foldable Holder Stand and Cover Board for Apple iPhone, Samsung, LG, HTC, Sony and other SmartPhones Newest design: With a black cover board in the top, can block outside's light when watching video or film, offering a more clear vision and protecting your eyes at the same time. High-definition vision,radiation protection, Without Power Supply,interesting visual enjoyment,prevent visual fatigue Light weight, no more thick and heavy optical glass. Foldable, easy to carry with. This is not just suitable for phones, but also a light weight magnifier, which has the same function with the optical one. Material: ABS Acrylic,It is A Great Environmental Products.Not easy to break.