Easy to use: Our breathing trainer is user-friendly and offers clear instructions that enable effective breathing exercises and increase your lung capacity. Adjustable resistance: With the adjustable resistance dial, you can easily adjust the training intensity and turn simple tasks into challenges. Convenient training: Whether at home, in the office or on the go, the breathing trainer is your perfect fitness companion making healthy living easier and more comfortable. Wide application: The lung breathing trainer is lightweight, portable and versatile ideal for home, gym, yoga, travel and sports such as athletics, running or swimming Product description Breathing Exerciser Trainer Experience remarkable performance gains with our innovative breathing trainer, expertly designed to strengthen your respiratory muscles during resistance training. This advanced device not only enhances your lung capacity but also significantly boosts your overall exercise endurance. With its adjustable resistance feature, you can easily customize the difficulty level by simply rotating the dial. This allows for rapid improvements in your breathing efficiency, helping you push your limits with every workout. Elevate your training routine and maximize your potential with this essential tool for fitness enthusiasts. Transform your workouts and achieve your goals faster than ever! The Lung Breathing Trainer is lightweight, portable, and versatile enough for use at home, at the gym, during yoga, or while traveling. It's also suitable for a wide range of sports, including track and field, running, swimming, gymnastics, martial arts, and high-energy activities. It's a must-have for sports enthusiasts, as it gradually increases lung capacity during exercise and provides rapid lung capacity gains. Specifications: Material: Silicone + ABS Size: 10 x 6 x 3 cm Weight: 37 g