Product Details

Improve Lung Capacity & Respiratory Health, Enhance Sleep Quality, Portable Fitness Exerciser with Silicone Mouthpiece, Black, Breath Exercise Device|Respiratory Health|Silicone Mouth

SPECIFICATIONS

Applicable People: Universal

Battery Properties: Without Battery

Color: Mixed Color

Contain Electronic Components/Motherboard: Does not contain electronic components or motherboard

Material: Silicone

Number Of Products: 1

Power Mode: Uncharged

How It Works

As you use it, the resistance created amplifies muscle exertion, resulting in increased strength and durability.