Breathing Resistance Training Mask for Sports & Workout

The Training Mask is a respiratory resistance device that is designed to increase breathing power and improve breathing mechanics. Training Mask’s multi-patented dual channel air flow technology compresses air at the inlets with resistance caps and then adds air resistance via flux valves. Features: Improve lung capacity It helps burn more calories during the workout, exercising, or jogging. Made from high-quality ultra-durable material.