Kootek Laptop Cooling Pad 12"-17" Cooler Pad Chill Mat 5 Quiet Fans LED Lights and 2 USB 2.0 Ports Adjustable Mounts Laptop Stand Height Angle Super quiet fans create a noise-free & interference-free environment for you. 5 Built-in fans (big fan: 5.9", small fans: 2.76") with Blue LEDs, two On/Off switches to controll 5 fans and LEDs simultaneously. ( Simply press the switch to select 1 fan working, 4 fans working, or all 5 working together.) Dual USB hub allows for connecting more USB devices. Ergonomic stand with 6 adjustable height settings to play games or watch movies at the most comfortable angle. Two stoppers on the front to prevent laptop from falling off, keeps 12''-17'' laptop cool, such as Apple Macbook Pro Air, Hp, Alienware, Dell, Lenovo, ASUS, etc.