1. This product adopts foreign Fresnel high‑definition optical lens technology, which can magnify the picture in the mobile phone by 3 times, the picture is more clear and vivid, the dynamic feeling is stronger, the eye fatigue is slowed down, and the myopi is effectively prevented.
2. This product is specially added to the sound amplifier to solve the problem that your mobile phone volume is not big enough, it can be applied whether it is indoors, in the wild, in the beach, etc.
3. The lens is astigmatism optical Fresnel lens, safe and energy saving, the speaker can be used repeatedly.
4. Many innovative technologies have been instructed in the structure. The product has a compact appearance, a smaller size and is more convenient to carry, and is more suitable for various types of mobile phones.
5. Especially watching 3D mobile movies, there is a stronger stereo effect experience. 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 newspape

Specification:
Features:
1. Come with a speaker, let you experience the sound of the theater.
2. This product adopts foreign Fresnel high-definition optical lens technology, which can magnify the picture in the mobile phone by 3 times, the picture is more clear and vivid, the dynamic feeling is stronger, the eye fatigue is slowed down, and the myopia is effectively prevented.
3. This product is specially added to the sound amplifier to solve the problem that your mobile phone volume is not big enough, it can be applied whether it is indoors, in the wild, in the beach, etc.
4. The lens is astigmatism optical Fresnel lens, safe and energy saving, the speaker can be used repeatedly.
5. Many innovative technologies have been instructed in the structure. The product has a compact appearance, a smaller size and is more convenient to carry, and is more suitable for various