Manufacturer: Logitech. The slotted surface of the N100 allows the USB-powered fan to distribute air quietly and evenly under your notebook. With rear air intake you get steady, unobstructed airflow that keeps the heat off you whether it’s on your lap or desk. It’s an easy fit in any room with colors and a shape that feel at home almost anywhere. The enclosed design protects the internal fan from dust and damage and with low power consumption, this cooling pad has a minimal impact on your notebook’s battery. 3yr limited warranty.