[Enhance Breathing Funtion] - Our air physical breathing trainer is designed to strengthen your respiratory muscles, improve lung capacity, and enhance overall breathing performance for better respiratory health. [Targeted Expiratory Muscle Training] - It simulates aerobic exercise of the lungs and is suitable for recovery and exercise of the lungs. It allows you to customize your training intensity, effectively targeting and strengthening the expiratory muscles for improved exhalation and mucus clearance. [Effective Mucus Removal] - The combination of mucus cleaning technology and lung exerciser functionality helps to mobilize and remove excess mucus from the airways, promoting clearer breathing and reducing the risk of respiratory infections. [Portable and Convenient] - Our compact and lightweight device is designed for easy use at home or on the go. It's a convenient solution for individuals seeking to maintain optimal respiratory health wherever they are. [Versatile and Adjustable] - air physical equipped with 15/16/18 balls, offers adjustable expiratory resistance levels, allowing you to gradually increase the intensity of your breathing exercises as your lung capacity improves. It's suitable for individuals of all ages and respiratory conditions. It is recommended to use it twice a day for 5-10 minutes at a time.