Silicone Breathing Trainer Exercise Lung Ventilator Portable Respiratory Trainer Fitness

Label:Yes Color: Purple, beige, green Brand New, High Quality! Material: Silicone Size: 6*7.8cm(2.36*3.07in) Qualtity: 1pcs

Features:

Breathing exercise equipment to challenge yourself for better exercise and improve overall endurance.

Vital capacity - it helps to expand and improve vital capacity without the risk of having to do a lot of aerobic exercise and burning calories.

The portable device - Adventurer lung breathing training instrument is very compact. Easy to carry.

The adjustable resistance dial makes the simplest task more difficult, and can exercise more intensely according to your needs.

It can be adjusted up and down by rotating the valve to change the breathing resistance.

Package includes: 1pcs * Breathing Trainer

Note: 1. Please allow 0.5-1cm(0.20-0.39in) error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thanks for your understanding!