Portable Respiratory Trainer

Features:

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

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

The portable device: the lung breathing training instrument is very compact. Easy to carry.

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

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

Specification:

Material: silicone + ABS

Color: as shown

Product size: as shown

Application: running, cycling, swimming.

1 lung fitness trainer