Belkin 4-Port Ultra-Slim Desktop Hub adds four easy-access USB ports to your laptop, netbook or Ultrabook. Perfect for connecting a keyboard, mouse, thumb drive, charging cable or any other USB enabled device. Built in cable management, no drivers required, data transfer speeds of up to 480Mbps and Mac and PC compatible. 4 USB ports. Plug and play automatic system configuration. Manufacturers 3 year guarantee.