This high-quality breathing exercise device is ideal for increasing your endurance and vital capacity. Here are some of the features and properties of this product:

Features:

1. Challenging exercises: With this breathing exercise device you can challenge yourself and improve your overall endurance. It allows you to specifically train your breathing.
2. Expansion of vital capacity: The device helps expand and improve your vital capacity without requiring you to perform intense aerobic exercise. It is an effective way to increase your lung capacity.
3. Portable: This breathing exercise device is very compact and portable. You can easily take it with you and use it anywhere, be it at home, in the gym or even on the go.
4. Adjustable resistance: The device has an adjustable resistance dial that allows you to adjust the difficulty level to suit your needs. This allows you to specifically train your breathing and intensify your exercises.

Specifications:

• Material: Silicone, ABS (Acrylonitrile Butadiene Styrene), high quality materials for durable and safe use.

This breathing exercise machine is a great addition to your fitness routine to increase your breathing capacity and improve your endurance. With its compact and portable design, you can take it anywhere and customize your breathing training as needed.