Hi-Speed USB 2.0 four-port Portable Hub

Hi-Speed USB 2.0 four-port Portable Hub Increase the number of USB ports on your computer by connecting a multi-port hub to a single USB port. Offers data transfer rates up to 480MBps. Easy, plug-and-play installation. Lightweight design makes this hub perfect for travel. Optional AC power adapter sold separately. Compatible with Windows® 98 SE, 2000, Me, and XP; Mac® OS X. Plug-And-Play Installation. Connector/Port: USB 2.0; Number of Ports: 4; For Use With: Mac® Os X; Transfer Rate: 480 MBps.