?? Improve Your Breathing Strength Naturally! This 3 Ball Spirometer Lung Exerciser is specially designed to support deep breathing exercises and help improve lung capacity, respiratory fitness, and breathing control. The easy-to-use 3-ball system encourages slow and deep inhalation, making it ideal for daily breathing practice at home, clinic, or hospital use. ?? Deep Breathing Training Helps practice controlled inhalation and supports better breathing performance with visible airflow indication through 3 floating balls. ?? Supports Lung Fitness & Respiratory Exercise Useful for regular breathing exercise, lung expansion training, and respiratory muscle activity improvement for adults and kids. ?? Washable, Hygienic & Reusable Made with detachable parts for easy cleaning and long-term hygienic use. ?? Easy to Use Design Lightweight and portable design makes it convenient for home, travel, hospital, and daily use. ?? Visible Breath Measurement System Transparent chamber with color balls helps monitor breathing effort and airflow level easily. ???????? Suitable for Adults & Children Comfortable mouthpiece and simple operation make it easy for both adults and kids to use. ?? Package Includes: ? 1 x 3 Ball Spirometer Lung Exerciser Device