Yate Loon NK-280 USB Powered Notebook Cooler Pad w/ Two 80mm Fans Notebook Cooler Pad with 2 built-in Fans (Black)General Features: Black Color Powered by USB bus Two (2) Built-in 80 mm Fans 32 CFM air flow 1500 RPM speed 22 dBA noise 0.23A current DC 5 V voltage 1.15 W power Regulatory Approvals: CE