1. Double convex lens, high definition, improve reading comfort 2. Lightweight design, not tired of holding it for a long time. 3. Can be used to magnify the image of objects, jewelry viewing, learning, reading, etc., easy to carry 4. Magnification: 3 times 5. Material: PP, PS 6. Single weight: about 9g 7. Single size: about 9.7 x 4.2cm
