high quality Improve Breathing TrainingEffectively improve your respiratory health with our lung exerciser equipment. This versatile breathing trainer is designed for practicing slow, deep breathing, allowing you to easily improve oxygen flow and lung expansion.5000 ml of inhalation capacitySuitable for all ages, including children, adults, and seniors. This inhalation lung exerciser is suitable for different ages, which can comprehensively evaluate lung health and effective lung training, and promote overall respiratory health.Built-in indicator for precise guidanceThe built-in flow indicator can accurately guide your breathing speed. Keeping the indicator in the middle range can achieve stable and controlled breathing. Whether it is too fast or too slow, let the indicator be your mentor and friend for breathing. The built-in flow indicator helps stabilize and control the breathing speed.Track your breathing journeyUse the scale indicator for precise measurement and extensive capacity tracking. Effectively monitor progress, set achievable goals, and witness tangible results in your lung health journey.Flexible and comfortable designThe lung exercise equipment adopts a flexible pipe and mouthpiece design, which can adapt to various postures, making you more comfortable to use. It is very easy to clean after each use and comes with built-in storage to conveniently store the pipe and mouthpiece, ensuring convenience and hygiene.