1. Does not hang on the ear, no sense of pressure 2. Curved anklet, non-slip design 3. Eye makeup can be done in a clear view 4. Spring anklet, make-up available full frame clear 5. Foldable, easy to carry 6. Comfortable to wear, relax nose pressure 7. Can block 380-495 nanometer harmful blue-violet light 8. Balanced and light frame, easy to wear 9. Applicable occasions: reading, working, outdoor sports, driving, etc. 10. Lens function: anti-radiation, aspheric lens, anti-blue light 11. Lens material: PC 12. Frame material: PC 13. Temple length: 138mm 14. Nose pad width: 18mm 15. Lens width: 50mm 16. Lens height: 48mm 17. Weight: 17g