说明

• Features: 1 Enhance lung function: breathing practising machine is a completely positive instrument that may assist enhance and improve lung operate Whether you're an athlete, want to improve your vital ability and endurance, or are convalescing from the breathing problem, this respiration practicing system mean you can 2 Portable Design: our respiratory practicing gadget is light in design and suitable for use at home, in the office, in the gymnasium or throughout journey You can take proper respiration exercises anytime and anywhere three Easy to use: this breathing practising equipment is straightforward and simple to use, compatible for all age teams As long as you persist with the instructions, you will find obvious progress in a short while Material:plastic Color:as shown Size:13*4 Package include:1pcs Please allow minor error due to handbook size The colours could be a little difference for the various computer screen demonstrate

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