With its small size and adjustable intensity, it's a good accessory for daily fitness and exercise use.

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

Product List:
lung trainer for athletes * 1pcs

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1.Enhance overall endurance: By using this lung trainer regularly, you can improve sports performance, help challenge yourself, and improve exercise effect progressively.

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.Portable design: With our lung trainer's portable design and small size, athletes can train their respiratory muscles on-the-go. By enhancing respiratory strength and endurance, they can achieve top performance during any activity.

4.Flexible Intensity: Its adjustable intensity knob allows you to increase the difficulty of your workout according to your needs, ensuring advanced control and efficient progression to enhance endurance.

5.Home fitness equipment helper: As a home fitness equipment accessory, this lung trainer is suitable for daily health care and exercise use, making it a family health helper.