Its adjustable intensity helps improve and expand lung capacity.

Product Name: lung trainer for athletes
Product Material: Silicone ABS

Product List:
lung trainer for athletes * 1pcs

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1.Boost Your Endurance: Step up your fitness game with our athlete-grade lung trainer. Improve exercise effect, challenge yourself, and enhance overall endurance.

2.Enhanced Breathing Efficiency: Improve your breathing efficiency with our lung trainer that helps expand and improve lung capacity, without the need for excessive aerobic exercise or calorie consumption.

3.Train Anytime Anywhere: With its portable design and small size, this lung trainer is easy to carry, allowing athletes to enhance their respiratory strength wherever they go.

4.Advanced Control: Adjust the intensity with ease on this lung trainer. Simply turn the adjustable knob to cater to your needs, and progressively increase your endurance to meet your goals.

5.Family Health Helper: Enhance the lung capacity of your loved person with this lung trainer. for daily exercise and health care, this home fitness equipment accessory is a must-have to safely guard your family's respiratory health.