Handheld Breathing Training Device Digital Respiratory Exerciser with Counter

This handheld breathing training device is designed for daily respiratory workouts and lung-strength practice. It features an electronic display with a counter to track progress. The transparent cylindrical body has graduated band markings and a flexible tube for easy monitoring. It is portable with a stable base and a wide funnel-shaped mouthpiece for comfortable use. Suitable for athletes and adults to improve breathing control and lung capacity at home.