Lung Breathing Trainer, Deep Breathing Lung Exerciser Device, Adjust Resistance Improve Lung Capacity Handheld Lung Expansion Training Tool Lung Expansion Training Device

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DAILY USE: Breathing lung trainers can effectively improve lung function and prevent respiratory diseases. Perform 8 to 16 times to complete a set. Do 3 to 6 sets per day.

Easy to use - A mouthpiece that inserts the mouthpiece into the mouth and bites into the inside of the mouth to keep it in place. Adjust the inspiration and expiration resistance valves by selecting the desired breathing resistance, turn the valve to the left for more resistance (+) and to the right for less resistance (-).

Breathing exercise device for the lungs - Wide range of applications, can be used for the elderly, adults, children, swimmers, athletes, singers, etc.

A variety of functions - Improve endurance, improve strength, increase your anaerobic threshold and expand your limits.
Rinse with clean water after daily use.

Increases lung capacity

The breathing exercise for the lungs can improve athletic endurance, increase lung capacity, improve cardiorespiratory function, reduce shortness of breath, relieve stress and improve sleep fitness.

Easy to use

A mouthpiece that inserts the mouthpiece into the mouth and bites into the inside of the mouth to keep it in place. Adjust the inspiration and expiration resistance valves by selecting the desired breathing resistance, turn the valve to the left for more resistance (+) and to the right for less resistance (-).