Breathe Exercise Device Adjustable Resistance for Trainer, Exerciser Trainer Daily Fitness Training, Easy-To-Clean

[Daily Exercise] - Breathing trainer provides a controlled, more difficult breathing condition, thereby helping to improve physical fitness.

[Adjustable Resistance] - The resistance can be adjusted to meet different needs, combine with other exercises for better results, such as jogging and cycling.

[Versatile] - Breathing exerciser helps to strengthen the throat muscles, especially for singers, swimmers, gymnasts and martial arts athletes.

[Portable & Practical] - Light weight, small size, easy to clean and carry. You can do breathing exercises anytime, anywhere.