Adjustable Outdoor Expiratory Exercise Tool Breathing Trainer Lung Respirator Respiratory Silicone High Altitude Training

What is resistance breathing training? Applying certain resistance during exhalation to avoid or reduce premature closure of the affected small airways, improve ventilation and ventilation, exercise respiratory muscles, increase lung capacity, and enhance lung strength and endurance. Features: Breathing exercise equipment, challenge yourself, engage in better exercise, and improve overall endurance. Lung capacity - It helps to expand and improve lung capacity without the risk of engaging in excessive aerobic exercise and burning calories. The portable Adventure lung breathing trainer is very compact. Easy to carry. The adjustable resistance dial makes the simplest tasks more difficult and allows for more intense exercise according to your needs. It can be adjusted up and down by rotating the valve to change respiratory resistance. Specifications: Material: silicone+ABS Color: Black/White Product size: 5 * 10 * 3cm Bite size: 5.5 * 5.2cm/2.2 * 2-inch Applications: Athletes, singers, middle-aged and elderly people, teenagers, yoga, fitness Note Due to differences in display and lighting effects, the actual color of the item may slightly differ from the color shown in the picture. Thank you. Due to manual measurement, please allow a measurement deviation of 1-3cm. The package includes: 1 X lung training tool or 1 X lung training tool + 1 X Bite