There is nothing wrong with this fan. I like that no batteries are used. If you want it to cool down it will. Bought to dry mascara after application. He does this within seconds. Holds a charge for a long time. The blue light lets you know when it's fully charged. The red light is your warning that it needs to be charged. That's enough to fit in my travel makeup bag. I was even able to charge my cell phone with the charging cable. I would definitely buy this little gem again.
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