1. Adopt scientific ergonomic design. Compact, healthy, convenient and safe, without side effects.
2. It can be used to slim your face and belly.
3. 3 breathing modes for adjustment: weak with one hole outside, medium with 2 holes outside, strong with all 3 holes outside.
4. Props in accordance with their own front-end to the state to adjust the amount of incoming air. After using, please rinse it with water.
5. Props will be included in your mouth, inhale and exhale and let the belly bulge and concave, each with 30 back (about 5 minutes) to.
6. Resistance easily adjusts for varying lung fitness levels.
7. Reduce breathlessness and increase lung capacity by strength-training your respiratory muscles.
8. The product is aimed to help you loss weight. If you feel hot during using it, that is normal fat burning.
- Three adjustable step for your choice: weak, medium and strong Reduce breathlessness and increase lung capacity by strength-training your respiratory muscles Simply use it for about five minutes a day(equal to 30 times' breathing) Small and compact, you can take it anywhere