1. Does not hang on the ear, no sense of pressure 2. Wearing without dizziness, small print can be seen clearly 3. Strong anklet, strong and durable 4. The one-piece nose pad fits the bridge of the nose and is comfortable to wear 5. Foldable, easy to carry 6. Comfortable to wear, relax nose pressure 7. The curved anklet fits the ears and is not easy to slip 8. Balanced and light frame, easy to wear 9. Applicable occasions: reading, working, outdoor sports, driving, etc. 10. Lens function: aspherical lens 11. Lens material: AC 12. Frame material: PC 13. Temple length: 146mm 14. Nose pad width: 18mm 15. Lens width: 47mm 16. Lens height: 47mm