1. Material: ABS
2. High-definition dual-lens design, one-handed operation
3. The lens can be quickly disassembled, and you can exchange for other color lenses at will
4. With bluetooth headphone slot
5. The built-in sunglasses are effective against UVA & IR, and can be switched according to sudden changes in backlight and visible light
6. There is an air outlet on the top of the helmet, not stuffy
7. Removable and washable lining, soft and comfortable inside
8. Lens fixing groove, firm and stable
9. Weight: about 1750 grams