Functionality: 1. Improve endurance: Using a respiratory trainer can improve respiratory muscle strength and endurance, respiratory muscle fatigue is a limiting factor in exercise, strengthening respiratory muscles can improve limits exercise. 2. Increase Respiratory Force: Improve respiratory force and control performance. Train your anaerobic enlargement and push your limits. Increase your oxygen supply and maintain your stamina. 3. Easy to do: Inhale slowly and as deeply as you can through your mouth and hold your breath for a few seconds. Slowly exhale through your mouth until you are almost completely out of breath. Then repeat the above exercise 10-15 times to complete the set. Do 2-4 sets a day. 4. Lung Capacity: It helps build and improve your lung capacity without the risk of doing a lot of cardio and burning calories. 5. Portable device: The lung breathing trainer is very small and portable. With this device, you can perform your workout routine wherever you are. How to use: Insert the mouthpiece into the mouth, bite the inside of the mouth and fix it in the correct position of the throat and tongue. Inhale and exhale as you adjust The valve selects the level of breathing you want (make it hard, but not uncomfortable). Turn the valve to the left for more (+) and to the right for less (-). Item Type: Breathing Exerciser Material: Silicone, ABS Colour: Black and White List of packages: 1 Breathing Exerciser

Portable Device: The Lung Breathing Trainer is very small and portable. With this device, you can perform your workout routine wherever you are. Lung Capacity: Lung exerciser helps build and improve your lung capacity without risking doing a lot of cardio and burning calories. Improve endurance: Using a respiratory trainer can improve respiratory muscle strength and endurance, respiratory muscle fatigue is a limiting factor in exercise, strengthening respiratory muscles can improve breathing limits. 'exercise. Increase Respiratory Force: Improve respiratory force and control performance. Train your anaerobic enlargement and push your limits. Increase oxygen supply and maintain endurance. Easy to do: Inhale slowly and as deeply as possible through your mouth and hold your breath for a few seconds. Slowly exhale through your mouth until you are almost completely out of breath. Then repeat the above exercise 10-15 times to complete the set. Do 2 to 4 sets a day.