1/2PC Sports Breathing Trainer Exercise Lung Face Mouthpiece Respirator Fitness Equipment for Household Healthy Care Accessories

Breathing training equipment, challenge yourself, improve exercise effectiveness, and enhance overall endurance

Lung Capacity - It helps expand and improve lung capacity without the need for extensive aerobic exercise and calorie burning. Adventure

The lung breathing trainer is a portable device with a compact structure, easy to carry

The adjustable resistance dial makes even the simplest tasks more challenging and allows for more intense workouts based on your needs

Specifications:

Material: Silicone