Characteristics and Interoperability With six fans, the X-Race Notebook Radiator Air Cooler Laptop Stand silent computer cooler fan base Fits cooling pads measuring 12 to 21 inches Features With six large fans that can dissipate maximum heat from the laptop, a 360° RGB lighting surround, and free wind speed adjustment via a knob, this ergonomic notebook computer cooling pad is comfortable to use all day. Nearly all 12–21-inch laptops, including Dell, MacBook Pro, Alienware, ThinkPad, Lenovo, HP, Asus, and others, are compatible with the laptop cooling pad. To better protect your spine, the laptop cooling pad has an ergonomic design with seven adjustable angles. A laptop cooling pad with a USB composite power interface allows the laptop to be powered via one USB interface for the radiator and another USB