Product description What Does This Lung Exerciser Device Do?Improve shortness of breath palpitation, enhance lung capacity, change what body function.Resistance breathing trainer refers to the breathing training method that imposes certain resistance during exhalation to avoid or reduce the premature closure of the small airway in the lesion site, improves ventilation and air exchange, reduces the residual volume in the lungs, and can also play a role in exercising the respiratory muscle, improving lung capacity, strengthening lung strength and endurance.Features:-- Effective, convenient, safe, care for your breath.-- Inspiratory and expiratory muscles can be trained simultaneously and adjust their resistance gears independently.-- Adjustable rotary switch, safe, portable, easy to operate.-- Suitable for adults, the elderly, children, smokers, athletes, lung patients, swimmers, etc.Specifications:Name: Lung Exerciser DeviceMaterial: ABS+TPRSize: 13.5*5.6cm/4.3*2.2cmYou Will Get:1* Lung Breathing TrainerNotes:1. The weight and size are measured manually. Please allow some differences. Thank you for your understanding.2. The color of the product may be slightly different from the picture due to light and screen differences.Quality Service:If you have any questions about our products, please contact us in time, our support team will quickly and professionally solve any problems you may encounter! Directions keep clean
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