feature:
Please note: other accessories are not included.
100% brand new quality
Content: 20g
Suitable for: men and women
Color: blue, red
Instructions:
Strength training of respiratory muscles reduces shortness of breath and increases lung capacity
Sitting in a comfortable armchair for exercise every day to enhance lung vitality
Just use about five minutes a day (equivalent to 30 breaths)
Function:
Small and compact, can be carried with you
Almost anyone can use it without side effects
Shelf life: 3 years
Comment:
1. Manual measurement tolerance is 2-5g. Please don't mind your substitutes.
2. Due to different monitors, the picture may not match the actual color of the product. thank you very much!
3. SKU color is product color
Package Included:
1*Whistle Trainer
Dear buyer,Welcome to our store. if you want buy more than we listed, please contact us.we will be ready to reply you ASAP.