Spare Oxygen Mask and Tubing

INSPIRATORY & EXPIRATORY MUSCLE TRAINER: The Hetaru have new 6 independent dial settings for inhalation and exhalation. It effectively strengthens the inspiratory and expiratory muscles.Improve lung capacity and lung ventilatio.
DRUG-FREE RESPORATORY THERAPY DEVICE : Hetaru improves lung strength and capacity by improving oxygen uptake to vital organs.and improve emphysema, pulmonary fibrosis.help improve the strength of your lungs and quality of your breathing.
WIDELY USED | FAST RECOVERY | CONVENTIENT : fits adults, elderly, children, smokers, athletes, singers respiratory patients, lung patients, swimmers, etc. Easily anytime and anywhere can exercise your lungs.