Brand: NoEnName_Null
Option: Yes
Chemical of High Concern: None
Origin: Mainland China
Type of sport: Cardiovascular training
Portable breathing trainer
Diaphragm training for respiratory obstruction
Exercise your heart and lungs
Breathing Trainer
Improve your sports performance and daily respiratory well-being
Versatile for various people
Athletes/Musicians/Ordinary People
Swimming/Gymnastics/Martial Arts
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