Inefficient, noisy, fragile and not practical at all

This cooler cools very little! The two small fans are too weak to bring down the temperature of my HP 15 "continues to heat up as much as before The manufacturing material is very poor. The grilles are made of flexible plastic, the weight of the blow the computer uses fans, slowing their rotation and causing noisy friction. Its size, however, provided for a 15 ", is too just for my laptop. In addition, it is almost impossible to use this cooler on his knees on a bed or on a soft surface because it is too unstable, the two small mobile elevators fold at the slightest movement, and tilted the computer n is not retained by brakes. In short, I highly recommend this cooler object that has the name. I let myself be fooled by the cheaper prices than others, but I should have to pay 10 euros more for a truly effective instrument, practical, quiet and costal! Do not make my mistake: ((