iKross Black Aluminum USB Cooling Pad with Blue LED Fan for Laptop, Notebook, NB, Chromebook, etc. Fits 11 inch to 15" Aluminum surface provides great cooling support. With 1 port USB 2.0 HUB. USB powered, fashion and unique design, for comfort at work or on the go. 4.7 inch x 4.7 inch big and quiet LED cooling fan helps maximize laptop performance by keeping it cool while in use. Built-in easy to control switch for speed adjusting. Adjustable stands provide all positions height adjustment for the perfect typing and viewing angle. Compatible with majority of laptops, support up to 15 inch Laptop