1.The use of French Fresnel high-definition optical technology can magnify the image on the mobile phone, the image is clear and realistic, and the dynamic feeling is stronger. 2.The product is simple and elegant in shape, light and small in size, easy to carry, suitable for use in various occasions: indoor, camping, travel, leisure, etc. 3.Adopts high definition magnifying optical technology, no power supply, no use cost, energy saving and environmental protection. 4.The structure of the product adopts rotary folding, which is not easy to damage, more convenient to use, and can be suitable for various types of mobile phones. 5.The product adopts a fully enclosed design, which can protect the life of the lens for a long time. 6. Especially watching 5D mobile phone movies, the three-dimensional effect is stronger! It can also be used as a traditional magnifying glass. Due to its large magnification area, it is more suitable for the middle-aged and elderly to read books, read newspapers, and watch news online.