Portable Abdominal
Breathing Trainer
Traditional
Resistance Trainer
Rich and expandable resistance levels
Resistance can be quantified
with scale marks
Training results are visually observable
Non-biting mouthpiece, avoids
jaw muscle overuse
Fully detachable
for thorough cleaning
Limited airflow
resistance levels
Difficult to quantify
resistance accurately
No visible training
feedback
Bite-type mouthpiece may enlarge jaw muscles
Cannot be disassembled
for cleaning