Ergonomic Design: This breathing training equipment has an ergonomic design, with contoured teether positions for comfortable breathing, and a shorter mouthpiece design for a more secure fit.
Durable Material: The equipment is made of high-quality silicone material to withstand high-intensity workouts.
Wide range of uses: The breathing trainer is suitable for various training, whether it is running, cycling, or strength training, you can carry out comprehensive endurance training with this product.
Breathing double valve control: new structural design, inlet and outlet airflow can be controlled separately, simple structure and easy to clean.
Compact and Portable: Its compact size makes it easy to store and transport, allowing you to train anytime, anywhere, and it's a great present for christmas or new year
