It is most effective with the turbo fan. It can cool the laptop 10 degrees in 5 to 10 minutes. Without, 3 times longer, but it's worth it. On top of that, it looks great. Modern, sleek, and works well. What more can you ask for?
This lap desk with a built-in fan definitely works. I was surprised that it would work so well. I would have given it 5 stars but there's nothing to keep the laptop from sliding off the lap desk. I added a velcro strip on the back of my laptop & at the top of the desk, works great. But there really should be a bumper or something to keep the computer from sliding forward. Well worth the money.
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