Breathing Training Device, Portable Adjustable Resistance Lung Exerciser, Silicone Adjust Resistance Lung Exerciser Device Handheld, for Daily Care and Exercise

Highlights

• Enhance Strength: Breathing trainer can enhance breathing strength and control performance, improve your anaerobic threshold and push your limits.
• Easy Use: Breathe in slowly through your mouth, as deep as you can. Hold your breath for a few seconds. Slowly exhale through your mouth until completely exhaled.
• Improve Endurance: Using a breathing trainer can improve the strength and endurance of the breathing muscles, which can increase the limit of exercise.
• Portable device: The lung breathing trainer is very small and portable. With this device, you can carry out your workout routine wherever you are.
• Adjusting the amount of air you intake: the breathing trainer can adjust the amount of air you inhale, improve your daily breathing health and increase endurance and vital capacity.Suitable for many occasions such as swimming, fitness, travel, etc.