Connect 13 USB peripherals such as printer, scanner, flash drive, webcam, and microscope into a single USB port. It can also be used to re-charge cell phones and MP3 players even when the computer is off by using the included power adaptor. This USB 2.0 BarHub has built-in 5ft cable, overcurrent protection, ON/OFF power switch, status LED, and wall mountable case. Works with Windows 2000/XP/Vista/7 & Mac OS X. Includes universal AC power adaptor. (Connectors: USB Type A Female) .