1Using high-definition optical technology, the picture in the mobile phone can be enlarged by 5 times, the picture is clear and vivid, and the dynamic feeling is stronger. 2he product is simple in shape, light in weight and small in size, so it is easy to carry around. 3No power drive, no cost of use, energy saving and environmental protection. 4The product structure uses many innovative technologies, simple and compact, and can be used for various types of mobile phones. 5Especially watching 3D mobile movies, the stereo effect is stronger! It can also be used as a traditional magnifying glass. Because of its large enlarged area, it is more suitable for middle-aged and old people to read books, read newspapers, and watch n