3Pcs Abdominal Breathing Exerciser Respirator

About the product
1. Adopt scientific ergonomic design. Compact, healthy, convenient, safe and without side effects.
2. Can be used on the face and abdomen.
3. 3 breathing modes can be adjusted: the outer side is weaker than 1 hole, the medium is weaker than 2 holes, and the outer side is stronger than 3 holes.
4. The props adjust the air intake according to their front-end state. After use, rinse with water.
5. Props will be included in your mouth, inhale and exhale, and let the abdomen swell and sag, each 30 degrees backward (about 5 minutes).
6. Resistance can be easily adjusted to suit different levels of lung health.
7. Reduce breathing difficulties and increase lung capacity by exercising breathing muscles.