Increase Your Endurance: Helps you get better endurance, Breathing Exercise for Lungs is able to improve your breath for better feelings day by day. Effective and Useful: Strengthens your lung capacity and helps you adjust the abdominal muscles, Lung Exerciser Device makes it possible for you to exercise core muscles. Modifiable Resistances: Provides you with different resistances levels, Deep Breathing Lung Exerciser features adjustable resistances for you to easily change accordingly. Increase Body Performance: Breathing Trainer for Lungs makes an excellent exercise tool to build up your breathing and abdominal muscles, so you can strengthen overall performance. Lung Capacity Augmentation: Brings great help to decrease the accumulation resulted by body waste, Lung Endurance Trainer will reduce the buildup brought on by bodily waste. If you have any questions, concerns, or need further information, please feel free to contact us anytime. Our team is dedicated to providing you with support and answering any inquiries you may have. Your satisfaction is our ultimate goal. We look forward to offering you top-quality products and service! Thank you for your support_x005F_x000D_