Adjustable Outdoor Expiratory Exercise Tool Breathing Trainer Portable Abdominal Lung Exerciser

Features:Breathing exercise equipment, challenge yourself, engage in better exercise, and improve overall endurance.Lung capacity - It helps to expand and improve lung capacity without the risk of engaging in excessive aerobic exercise and burning calories.The portable Adventure lung breathing trainer is very compact. Easy to carry.The adjustable resistance dial makes the simplest tasks more difficult and allows for more intense exercise according to your needs.It can be adjusted up and down by rotating the valve to change respiratory resistance.Specifications:Product name: Respiratory muscle trainerMaterial: silicone+ABSColor: Black/WhiteProduct size: 5 * 10 * 3cmApplications: Athletes, singers, middle-aged and elderly people, teenagers, yoga, fitnessMain feature:1. Lightweight, portable and easy to clean2. Infinitely adjustable breathing resistance3. The mouthpiece is made of medical grade PVCPackage includes:1 X lung training tool