My laptop 18.5 inch Sony evacuating much heat on its air vent and harmed the objects near it. The Cooler Master - NotePal U3 has solved this problem effectively and silence, which is also very significant. Overheating is highly localized, I was able to concentrate the cooling by combining 3 very easily interchangeable fans and regulate their flow through the dial. The inclination of the portable surprising at first, but down a little cooler, it mitigates this inclination and soon we no longer think. I recommend this product has also the quality to be very well finished and lightweight. Thank you Amazon for when I bought this cooler, it indicated that it was out of stock and had to wait between three weeks to a month. A few days later, an email warning me that I will be delivered the following week. This is a site that has the desire to satisfy customers quickly!