Portable Notebook Laptop Foldable USB 2 Fans Cooling Cooler This is notebook or netbook cooling fan. You can set you device directly on top of this tiny unit and it’s two fans will circulate air to keep your device cool. One of the things I learned in my 25 years in the computer business was that two of the biggest equipment killers were heat and dirt. This obviously does nothing for dirt but it can keep your laptop cool. That cooling will have a measurable impact on it’s longevity. This unit is so cheap it is almost laughable. It cost $4.05 which included shipping. There are a surprising number of similar solutions on both Amazon and eBay. I didn’t find similar prices at New Egg or Buy.com. This unit had a USB pass through which was the main reason that I purchased it over similar units without a pass through. It seems like you can never have enough USB ports on your equipment. (If you have been into computers long enough, serial ports were once as i...