説明

• Feature: Breathing exercise equipment to project yourself for higher exercise and upgrade overall endurance Vital ability - it supports to broaden and upgrade essential capacity with out the chance of having to do a lot of aerobic activity and burning calories The transportable device - Adventure lung breathing practicing device is terribly compact Easy to carry The adjustable resistance dial makes the best project extra difficult, and might activity extra intensely in line with your wishes Specification: Material: silicone Packaging list: 1pcs

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