1- HIGH QUALITY MATERIAL: The lung capacity trainer is made of high quality silicone material, non-toxic, odorless, harmless and environmentally friendly. Improves breathability and durability, cures shortness of breath and resistance during inhalation and exhalation is 100% adjustable.
2- EASY TO USE: The spirometric trainer fits all mouth sizes, closes perfectly and is convenient to use. Inhale slowly and as deep as possible through your mouth, then hold your breath for a few seconds. Slowly exhale through the mouth until you exhale almost completely.
3- RESANATION: The Lung Volume Trainer reduces congestion caused by slags in the body and contributes to significantly increase lung capacity, while the Lung Breathing Trainer works the respiratory and abdominal muscles.
4- FOUR STAGES: The lung capacity trainer is suitable for breathing training, swimming support, running and more. Perfect for athletes, swimmers, singers, seniors and anyone who wants to improve their respiratory health.
5- EASY TO CARRY - The trainer is artificially designed to fit as much as possible in a person's mouth. It is lightweight and compact and can be stored in any bag. It is easy to carry and suitable for travel and short commutes.