Strengthen your breathing muscles efficiently with targeted exercises designed to improve breathing capacity and endurance for enhanced workout performance. Access a 30-day workout plan conveniently via QR code on the box, tailored to enhance your breathing strength and endurance. Equipped with a dustproof cover specifically engineered to safeguard the mouthpiece, ensuring cleanliness and hygiene during each use. Crafted with high-quality food-grade silicone for the mouthpiece part, ensuring safety, comfort, and durability during every use. Engineered to prevent leakage of air during breathing exercises, providing a consistent and controlled airflow for effective breathing training. Made from food-grade materials, ensuring peace of mind while training, with no unpleasant odors or harmful chemicals. Washable silicone mouthpiece for easy maintenance. Compact and portable design for convenient use.