Portable Adjustable Resistance Breathing Trainer for Vital Capacity & Abdominal Muscle Fitness

Experience enhanced respiratory health and abdominal strength with this innovative breathing trainer. Made from durable silica gel, it offers adjustable resistance levels to suit your personal fitness goals. This portable device is designed to improve vital capacity and support abdominal muscle fitness, making it an essential tool for athletes, singers, or anyone looking to boost their lung function and core strength. Lightweight and easy to carry, it allows for convenient use at home, in the gym, or on the go, helping you achieve optimal respiratory performance anytime, anywhere. Applicable Scene: Running, Fitness Equipment Manufacture country: China Instructions included: No

material: silicaGel