Adjustable resistance lung breathing trainer to increase lung capacity

Portable Lung Breathing Trainer with Adjustable Resistance to Increase Lung Capacity

Product Information:
Name: Lung Breathing Trainer
Material: ABS + Silica Gel
Size: 5*10CM
Color: Black
Purpose: Aerobic Exercise
Scenes: Swimming, Running, Cycling, etc.

Features:
✔Improve Lung Capacity: The lung breathing trainer helps reduce the buildup of in the body, helping you significantly increase your lung capacity.
✔Improve Endurance: To help you feel better every day, the lung breathing trainer will improve your breathing and help you achieve greater endurance.
✔Selectable Resistance: The lung breathing trainer allows you to find the right resistance level for your workout and adjust it accordingly, thanks to its adjustable resistance design.
✔Convenient and easy to use: Simply breathe slowly and deeply through your mouth, hold for a few seconds, then exhale slowly.
✔Effective effect: Improves your lung capacity and helps tone your abdominal muscles. The lung breathing trainer allows you to exercise your core muscles.

Package includes:
1 * Lung Breathing Trainer

Notice:
Please allow 1-3cm size error due to manual measurement. Please make sure you do not mind before ordering.
Due to differences between monitors, the pictures may not reflect the actual color of the item.
Happy online shopping!