OXYFIT BREATHING LUNG TRAINER - OXYGEN FLOW BREATHING TRAINER LUNG EXERCISER DEVICE IMPROVE LUNG CAPACITY HANDHELD LUNG EXPANSION TRAINING TOOL FOR RESPIRATORY THERAPY?Wide Application?The compact design of this breathing trainer allows you to use it anytime, anywhere. It caters to a wide range of individuals, which can be used for adults, seniors, children, swimmers, athletes, singers, etc. Whether you're at home, in the office, or on the go, you can effortlessly incorporate lung exercises into your daily routine. ?Daily Use?The breathing lung exerciser, do 10-15 times to complete a set, do 2 to 4 sets a day, just breathe in slowly through your mouth, as deep as you can, hold your breath for a few seconds, slowly exhale through your mouth until completely exhaled, can effectively improve lung function. ?Portable and Durable?Our deep breathing lung exerciser is small in size for easy to carry and of high quality, which is portable and resuable. You can buy with confidence to enhance your lung health and improve your overall respiratory fitness. ?Functional and Effective?The lung exerciser device strengthen and fortify respiratory muscles for improved oxygen intake. Targeted breathing exercises support lungs and enhance a comprehensive breathing plan, is helpful to improve your breath,helps you get better endurance,and makes you feel better day by day. ?Adjustable Resistances?This lung trainer has adjustable resistance settings, allowing you to customize breathing training according to personal needs and progress.Whether you're a beginner or an advanced user, you can tailor your workouts and pace according to your comfort level and goals.