Strengthen your lungs with this 3-ball breathing trainer. Designed to improve respiratory health, it helps increase lung capacity and airflow efficiency. The three-ball system allows you to measure and track breathing progress. Ideal for respiratory therapy, recovery, and fitness training. Suitable for patients, athletes, singers, and wind instrument players. Easy to use and safe for daily practice. Helps encourage deep breathing and better oxygen intake. Lightweight and portable for use at home, in the gym, or during travel. Made from durable, high-quality materials for long-term use. A reliable tool for improving lung strength and respiratory function.