Better Breathing Sport - Lung Performance Device for AthletesThe Better Breathing Sport is the world's first sports resistance breathing device that uses vibrations and resistance to enhance lung capacity and optimize athletic performance. Designed for athletes, fitness enthusiasts, swimmers, and active individuals who want to gain vital seconds of breathing and reduce recovery times. Uses Oscillating Positive Expiratory Pressure (OPEP) technology to mimic 15 35 mini coughs, clearing mucus and improving oxygen