【Adjustable Resistances】This lung trainer has adjustable resistance settings, It offers different resistance levels, and the breathing lung exercise device has adjustable resistances that you can easily adjust , allowing you to customize breathing training according to personal needs and progress.
【Improved Endurance】using a breathing trainer can improve the strength and endurance of the breathing muscles,by strengthening the respiratory muscles, the training limits can be improved, which leads to better endurance and increases overall well-being in everyday life.
【Adjust the Amount Air Inhaled】The breathing trainer can adjust the amount of air you inhale, improve your daily breathing health and increase endurance and vital capacity.