TrainingMask 3.0: Breathing Trainer Increases Your Lung Capacity

Meet the TrainingMask 3.0: a wearable respiratory muscle trainer that helps you increase your stamina and endurance during your workouts. It has 6 levels that you can change at the turn of a dial. You can use this mask to increase your lung capacity.

This training mask helps you get ready for intense competitions and challenging workouts.

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