Negative Positive
Title: Very useful
Review: I was going to build something like this before it occurred to me to look for it here. It's just what it looks like: A standard case fan with a rheostat knob, a usb power adapter, and a bit of wire for a stand. The fan is very quiet, almost silent at a moderate speed while still moving a nice amount of air. Overall it's well-made, not cheap or cheesy. The retractable USB cable is a nice bonus.I use it next to a Macbook Pro. I turn it on when I'm doing resource-intensive things like video rendering, and it can make a 5-10 degree (C) difference in the measured temps of the laptop.And here's a bonus use: When hanging up my camelbak bladder for drying, I set this fan right in front of the filler opening, and it dries really fast! :)
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