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?What you get?You will receive a black oxyflow breathing trainer, measuring 10x5 cm (3.93x1.96 in), to exercise your breathing ability, with adjustable resistance.?High-quality materials?Our breathing device is made of high-quality materials, which are convenient to use, compact and portable, durable, easy to clean, and can be reused and used for a long time.?Improve Lung Capacity?Elevate your lung strength and endurance with our lung exerciser. Engineered to intensify your breathing muscles through adjustable resistance, it aids in increasing inhalation and exhalation power, enhancing overall lung efficiency and endurance for better performance in sports and daily activities.?Adjustable Resistance?This lungs exercise equipment equipped with a rotating valve and adjustable resistance settings. Rotate left and right to increase ordecrease the appropriate resistance intensity. You can easily modify the device to suit your individual needs.?Widely applications?The is essential for various people in the sports discipline. Sports that demand higher energetic performances like athletics running, swimming, gymnastics, martial arts, and other outdoor activities need higher physical activity and greater respiratory capacity.