(as of Jan 26,2021 06:14:26 UTC – Details)
Our sports mask to simulate training in high altitude environments, 24 Breathing Resistance Level 2 Air flow pathes Improve lung capacity by creating pulmonary resistance Suitable for almost any sport type. For example, running, football, basketball, rugby, track and field, fitness, jogging etc. Made of high quality material, It’s very strong enough for long time use. One size fit all Luxury box packaging, ideal for gift. Only for Fitness! NOT for Cornavirus！
24 Level Breathing Resistance, adjustable for all sport level people.
Reduce Your Training Time in HALF. By restriction oxygen and simulates high altitude, Our Mask will force you to take full and deeper breaths, toughening your diaphragm and respiratory system.
Boost Lung Capacity and overall Performance
Luxury Gift Box Packaging
Only for Fitness! NOT for Cornavirus！