Bullet Points:
1.Boost Your Stamina: Train your lungs with our athlete-grade lung trainer to enhance overall endurance, improve sports performance, and challenge yourself like never before!
2.Help expand lung capacity: This lung trainer enhances your lung capacity progressively, requiring no need for a lot of aerobic exercise and 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.Progressive Intensity: Elevate your endurance with our lung trainer for athletes. The adjustable intensity knob lets you easily adjust intensity standards to suit your needs, so you can gradually increase strength and succeed in your fitness ambitions.
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.
This small device helps expand and improve your lung capacity through adjustable intensity.

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

Product List:
lung trainer for athletes * 1pcs