The Kaiser Baas USB 2.0 x 7 Port Hub offers an ideal way to connect multiple USB devices to the one USB port on your computer. It supports up to seven USB devices such as hard drives, digital cameras, webcams, MP3 players and printers. It is plug and play compatible, hot swappable and supports a data transfer rate up to 480Mb/s. Also included is a power supply for USB devices that require additional power to operate. The USB 2.0 x 7 Port Hub supports Windows XP, Vista, Windows 7 and Mac OS X.