Boost Your Lung Capacity & Sleep Quality with This 1pc Lung Exerciser!

Name: lung breathing exerciser Size: 5*10cm Material: Silicone, ABS Application: swimming training, running, cycling, etc. Weight: 68.8g Description Improve Lung Health: This lung exerciser is designed to help you improve your lung capacity and overall respiratory health. Dual Function: The device can be used for both expiratory and inspiratory muscle training, making it a versatile tool for your fitness routine. Better Sleep: By improving your breathing and lung capacity, this exerciser can also help you achieve better quality sleep. Easy to Use: The simple design makes it easy to use and suitable for people of all ages and fitness levels.