1.Activated carbon protective mask, anti-droplet, anti-haze, PM2.5 filter core, five-layer protection, safer
2.5-layer filter core, each layer protects against different harmful substances, effectively blocking PM2.5, dust and bacteria
3. The back of the head is covered with high-viscosity Velcro, which does not stick to hair or prick hands
4. The two valves are designed to act as air blockers, which helps to achieve the effect of high altitude and low air concentration conditions. This will improve the efficiency of your lung volume training to a certain extent.
5. Somatic design provides users with the most comfortable experience. Comfortable fabric, adjustable nose pads and ear-hanging designs, and elastic bands meet the special needs of most people.
