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Purchasing an additional spare battery can further extend the usage time
They not only meet daily home use needs but also support travel
At 1–2 L/min
This effectively reduces airway irritation caused by dry oxygen and saves users from the hassle of frequent water addition
5000ML Lung Breathing Trainer for Respiratory Use prime Purchasing an additional spare batteryDescription: Our 5000 ml breathing trainer is specially designed for adults and the elderly. The transparent device allows for visible lung capacity growth. It offers optimal breath rate and volume guidance, helping you achieve steady and controlled breathing gradually. Witness the growth of your lung capacity, improve your breath control, and enjoy the benefits of enhanced respiratory health. The hose and mouthpiece are removable and washable to