1.Better vision protector Even if you are not far from the phone, its 10-inch phone screen can also watch or read clear content, which can better protect eyesight and reduce radiation damage. Use high-definition optical technology to zoom 3~4 times on the phone screen, the picture is clearer and more dynamic! 2.High-quality materialsUsing high-definition acrylic Fresnel lens material, and equipped with ABS plastic bracket. It is non-slip, lightweight and feels good. Convenient to carry, light and small, suitable for indoor, camping, travel, leisure and other places. 3.Safety and environmental protection Using high-definition zoom optical technology, will not produce blur, distortion and radiation. Acrylic lens material, the material used in this product is environmentally friendly and has low odor. Log fiberboard material prevents reflections 4.Easy to carry Foldable design, very slim after folding. You can put it in a backpack, handbag or even pocket. It is light enough to be used for traveling, camping and any other outdoor activities.