Adjustable Cross-Border Sports Breathing Trainer for Small Lung Capacity

This innovative breathing trainer is designed to enhance respiratory strength and efficiency, making it ideal for individuals with smaller lung capacities or those engaging in cross-border sports activities. Featuring adjustable resistance levels, it allows users to customize their training to gradually build and improve lung capacity over time. The compact and portable design ensures easy transport and use, whether at home, at the gym, or on the go. Crafted from durable materials, this trainer is built to withstand rigorous use while remaining comfortable and easy to clean. Suitable for athletes, fitness enthusiasts, or anyone looking to enhance their respiratory performance and endurance. Material: plastic Manufacture country: China Instructions included: No