Groofoo Breathing Recovery Exerciser, Handheld Increase Lung Capacity Train Lung Muscle Vent Exercise Device Reduce Asthma blue.

KEEP YOUR LUNGS HEALTHY: Using breathing lung recovery exerciser can keep your lungs healthy and strong, and make breathing easier and help you recovery breath. EASIER BREATHING: Expiratory muscle trainer exercises lung muscles, improve lung capacity, and improve breathing problems such as COPD, asthma and dyspnea. APPLICABLE PEOPLE: Whether you are an athlete seeking a competitive advantage or a smoker seeking to recover, breathing exercise device will help to enlarge and strengthen your lungs. OPEC THERAPY: You can relax and clear mucus in airway, increase abdominal muscle strength and overcome shortness of breath by using breathing recovery exerciser. USAGE: You only need 10 minutes of breathing exercises to strengthen the expiratory muscles, twice a day, and you can get the results within 2 months.