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Hello! I've reviewed the User Guidance document for the SUNSET Handheld Mesh Nebulizer NEB402. This document provides detailed instructions on how to properly operate, clean, and maintain the device for effective use. I am ready to answer your questions about the device and its usage based on the information in this guide.
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What should I do before turning on the device?
What kind of water should I use for nebulization?
How should I clean the device?
What do I do if the green light flashes three times?