Oxygen Strength Training Vital Capacity Running Fitness Sports Mask Set

Description

Description
Features:
Six-speed simulated altitude: Six-speed adjustment mode training oxygen barrier, first-speed simulated altitude 500m, second-speed 1000m, third-speed 3000m, and so on.
Constantly challenge and surpass the limit: the newly designed altitude does not need to take off the mask. During use, the altitude can be adjusted at will through the paddle shift, which is convenient and fast, and it will bring a lot of training fun.
High-quality materials: using food-grade silicone, soft and comfortable, with a design that fits the curve of the human face
CUT YOUR WORKOUT TIME IN HALF! - makes workouts more effective by simulating high altitude. It will force you to take full and deeper breaths, toughening your diaphragm and respiratory system.
Specification：
Material: Food grade silicone cotton
Size: 13*10*15cm
Weight: 0.22kg
Color: black/pink
PACKAGE includes:
Oxygen training mask*1
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On Aug-10-21 at 21:13:28 PDT, seller added the following information: