INVESCH Laptop Cooling Pad 12"-17" Cooler Pad Chill Mat 6 Quiet Fans and USB Powered 5 Section Height Adjustable M8 Total iron network design, can reduce the windage resistance, accelerate the wind flow,improve the heat dissipation performance Using six overall heat dissipation fan,gear botton control respectively two,four,six different cooling fan, the cooling effect of another peak A new block design concept and control enabled a wind force,let the cooling effect in arbitrary basis more perfect show. The antiskid design unique,ensure the laptop is safe to use. Five section height adjustment,provide the best laptop operating angle. For 17 inches(including) the following laptop cooling.