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1. Strength: Breathing trainer can breathing strength and control performance, improve your anaerobic threshold and push your limits.
2. Improve Endurance: Using a breathing trainer can improve the strength and endurance of the breathing muscles, which can increase the limit of exercise.
3. Easy Use: Breathe in slowly through your mouth, as deep as you can. Hold your breath for a few seconds. Slowly exhale through your mouth until completely exhaled.
4. Daily Use: Breathing lung exerciser can effectively improve lung function and prevent respiratory diseases, do 10‑15 times to complete a set. Do 2 to 4 sets a day.
5. Wide Application: Deep breathing lung exerciser is small in size for easy to carry, which can be used for adults, seniors, children, swimmers, athletes, singers, etc.

Specification:
Item Type: Breathing Exerciser
Material: Silicone
Application: Wide range of applications, can be used for adults, the elderly, children, swimmers, athletes, singers and so on.

How to Use:
A mouthpiece that inserts the mouthpiece into the mouth and bites the inside of the mouth to hold it in place. Adjust the inspiratory and expiratory resistance valves by choosing the respiratory resistance you want (to make it challenging, but not uncomfortable). Turn the valve to the left for more resistance (+) and to the right for less (‑).

Package List:
1 x

Breathing Exercise Device1 x Manual Card