- Yellow popping indicator to guide each breathing training.
- Variable resistance enables training difficulty adjustment.
- Optional extra strength kit to increase training level.
- Fun, simple and effective training.
- Each ECHO Expiratory Muscle Trainer comes with an expiratory muscle trainer and a neck strap.
|DK21||ECHO Expiratory Muscle Trainer||1 set/pkg|
|DK2-11||Extra Strength Kit (tube and mouthpiece)||1 set/pkg|
|56001||Dofin Neck Strap||1 set/pkg|