ADVANCED LIVING Mini USB High Speed 4-Port 4 Port USB HUB Sharing Switch For Laptop PC Notebook Computer Black NEW 4 Port USB 1.1 High Speed USB HUB for Laptop PC Slim Smallest Mini 4 port hub, ideal for laptop users Individual post over current protection USB bus powered, no external power needed Connect up to four USB peripherals to one USB port USB 1.1 high speed transfer rare Also backwards compatible with USB 1.1 Compatibility With:Windows 98/2000/ME/XP/Vista/WIN7