1. Endurance Improvement: Breathing muscle trainer, improve aerobic exercise endurance, and enhance muscle endurance.2. Increase Lung Capacity: This lung exercise dilator can help you adjust your breathing and increase vital capacity during exercise.3. Improve Physical Function: This breathing trainer can help improve shortness of breath and palpitations, and improve physical function.4. Adjustable Resistance: This lung capacity training device can adjust the resistance according to the needs, and it is easy to use.5. Portable: This breathing training device is easy to carry, compact, lightweight, easy to clean, and no burden for sports.Specification:Item Type: Lung Exerciser Expander DeviceMaterial: Silicone, ABSGross Weight: 75g / 2.6ozProduct Size: Approx.5 x 10cm / 2.0 x 3.9inPackage List:1 x Lung Function Breathing Trainer
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2 weeks ago
2 months ago