HD vision, eye protection against blue radiation, no power. It will relieve the discomfort and visual fatigue causing by long time focusing on small screen. The screen magnifier works just like a phone projector screen, you can enjoy movies and videos on your smartphone to the fullest in HD. Super slim when folded and also can be carried around in your bag. Suitable for indoor, camping, journey, leisure, anywhere and etc. 10.2" L x 6.8" W x 0.6" Thick
