Laptop Cooling Fan with Built-in 3 USB Hub - Silver Finish Ideal for Notebook, Netbook, MacBook, and Other 9"-14" Laptops Fits Netbooks and Notebooks up to 14. With Ultra-silent cooling fan prevents overheating Built-in USB 2.0 hub provides 3 downstream ports for plug and-and-play connectivity to USB 1.1 and 2.0 devices Non-slip rubber holds notebook in place with legs that fold in for portability Compact and lightweight with built-in cable storage Powered by 1 USB Cable (built into the unit)