Breathing Resistance Workout Mask

• This training mask makes workouts more effective by simulating high altitude
• It will force you to take full and deeper breaths, which helps toughen your diaphragm and respiratory system
• Breathe efficiently and reach unmatched endurance
• Anatomically designed, cutting edge technology to energize any sport - cardio, gym, running, cycling or aerobic exercises
• Simulate altitude training and exercise your breathing anywhere
• 16 breathing levels at your disposal - from beginner to pro
• One size fits most and adjustable straps
• Materials: eco-friendly elastic cotton and silica 
• Dimensions (LWH): 10 x 13 x 7cm

• Put the mask between the nose and chin
• The back of the mask can be fixed with an adjustable loop fixture
• Check if it is appropriate: cover your face with your hands, then breathe hard and feel if there is airflow
• Make sure you are comfortable after wearing this mask by adjusting the back of the mask straps

Includes:

• 1 x Workout Training Mask
• 1 x Replacement valves set
• 1 x Carrying Case
• 1 x Manual

Please use this product correctly and as directed by the supplier. This product is not a replacement for medical-grade personal protective equipment (PPE).