MARVO FN-30 15-17 inch Gaming Laptop Cooling Stand Powerful Cooling Pad 4x120mm Blue LED Light Fan with HUB,Speed Controller,Adjustable Height Setting STRONG COMPATIBILITY COOLING PAD: designed for gaming use, this cooling pad can support Laptops up to 15"-17"; DUAL USB PORTS LAPTOP COOLING PAD: 2 USB ports with 1 free USB cable, then you won't miss any USB devices with this Laptop cooling pad; 4 TIMES FAN SPEED ADJUSTABLE COOLING PAD : this laptop cooling pad has 4 high performance 140 mm fans can spin at 1200 RPM/one, one Controller controls two fans, can work with two fans or four fans as you like; UNIQUE COOLING WAY: the storm blows all heat under the laptop from the Bottom-up, with mute motor and no noise cooling fan; ERGONOMIC COMFORTABLE DESIGN COOLING PAD: adjustable height setting, comfortable for natural point of view with 2 viewing angles available for the most comfort in use, 10/30adjustable.