GAH Breathing Training Device Improve Breath Endurance Breathing Training Green

Description:

【Lung Capacity Exercise】: Breathing exerciser device can increase lung strength and capacity, effectively exercise respiratory muscle and quickly increase your breath endurance.
【Qaulity Material】: Breathing exercise device made of pp and silicone material, flexible and soft, comfortable enough for long time bite training.
【Easy to Use】: Adjustable resistance dial allows you to adjust resistance according to your own physical condition.
【Portable】: Lightweight,  and easy to carry, Lung exerciser device can be used at home or on the go.  
【Professional】: Designed for improving your lung capacity with our breathing exerciser, you can easily practice deep breathing anytime, making it a great addition to your daily routine.

Specification:

Material:PP. Silicone

Size Chart:

7cmx6.3cmx2.8cm/2.76inchx2.48inchx1.10inch

Package Includes:

1  Breathing Training