Breathing Trainer Breath Booster Strength Lung Fitness Exerciser Device

Portable Lung Exercise Device, Respiratory Trainer Exercise with Resistance Adjustable, Easy to Clean and Use, Improve Strength and Endurance
Adjustable Resistance: This exercise trainer equipped with a rotating valve and adjustable resistance settings. Rotate left and right to increase ordecrease the appropriate resistance intensity. You can easily modify the device to suit your individual needs.
Safe & High Quality : Our exercise deceive is made of ultra-flexible pure ABS silicone.
Easy to Clean: Exercise trainer simple design, easy to clean. Individually packaged to ensure a clean and safe mouthpiece every time you use it.
Wide range of uses: Our exercise trainer is a must-have for sports enthusiasts and is suitable for sports such as track and field, running, swimming, gymnastics, martial arts and outdoor activities.This well-built muscle trainer is perfect for improving exercise endurance.
Package:
1x Silicone