Jackallo Sports Mask Sports Mask Adjustable Fitness Training Mask Endurance Mask Elevation Training Gym Running Exercising Mask

Description

Bullet Point: Limit the amount of oxygen by limiting the amount of air entering, increasing training intensity. Improve muscle strength, help burn fat, and increase the main functional metabolic rate. Hypoxic conditions can improve cardiopulmonary function, endurance, and explosive growth. 6-story simulation of altitude training or enhancement of muscle function. Fits for cardio, gym, running, cycling or aerobic exercises. Specifications: Size: one size Fabric: Polyester Package Included: 1 x Sports Mask 1 x Storage Box