Mobile magnifier is a popular creative product in the mobile phone market. With the popularization of smart phones, more and more people will use mobile phones to surf the Internet and watch movies; Because the mobile phone screen is uncomfortable to watch for a long time, it is very harmful to the eyes. This product completely solves the small problem of mobile phone screen. Main features: 1 Using French Fresnel HD optical technology, the picture in the mobile phone can be enlarged by 3 times, the picture is clear and lifelike, and the dynamic feeling is stronger. 2 The product is simple and generous in shape, light in weight and small in size. It is suitable for all kinds of occasions - indoor, camping, traveling, leisure, etc. 3 It adopts high-definition amplification optical technology, without power drive, no use cost, energy saving and environmental protection. 4 The product structure adopts many innovative technologies (which have been patented by the state), which are simple and tight, and can be used for various types of mobile phones. 5 Especially when watching 3D mobile movies, the three-dimensional effect is stronger! It can also be used as a traditional magnifying glass. Because of its large amplification area, it is more suitable for middle-aged and elderly people to read books, newspapers, and watch news online. Product size: 18*15*1.5cm screen size: 18*12cm lens material: PVC magnification: 2-4 times