StarTech.com USB Powered Laptop Notebook Cooler Fan with Adjustable Speed (NBFAN) Easy Two speed fan control Additional cooling for users that operate their laptop/notebook for extended time periods. Backed by StarTech.com's 2-year warranty World's first Patented air extracting notebook fan! Provides quick removal of hot air generated by notebook/laptop to help stabilize operation and extend life of the system. Universal clip, compatible with most major brands, provided for attaching USB power cables. Black finish to match most notebooks. Fan blowing direction can be rotated 180 degrees.