Elevation Training Oxygen Mask

【ADJUSTABLE】: Adjustment gear to grade 1-6 to control oxygen flux, you can adjust the suitable flux as you like, excellent for fitness exercise. Set with convenient. magic stickers, easy to take on/off

【PERTCTLY DESIGN】: Matches most face type perfectly and fit your head tightly.

【WHY YOU NEED】: Breathing mask makes workouts more effective by simulating high altitude. Toughening your diaphragm and respiratory system. Control the airflow to breathe the muscles. Thereby increasing the tension of the respiratory muscles.

【HEALTH&RELIABLE】: Use oxygen more efficiently. Get more from every training session. Less fatigue, hardened body, more energy. Elevation mask has been scientifically proven to increase your body’s growth hormone levels by up to 25%.

【SIX LEVELS OF RESISTANCE】: 6 levels of training resistance from beginner to top professional athletes. Workout mask simulating high altitude from 1,600ft to20,000ft, More stamina and endurance make the hard workouts easier.