Does a USB-powered necktie cooler actually make you feel cooler?

TBS news puts a necktie cooler to the test:
The necktie cooler, which contains a miniature fan (powered by either a USB cable or a battery), supposedly has the power to cool down salarymen working in hot offices.
TBS put it to the test and, as the before/after photo in the post shows, it was partially successful. The reporter found it was good at cooling the neck area, but it had little effect on the rest of the body.
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