-12 USB 2.0 ports - connect USB devices such as external hard drives, mp3 players, mice, digital cameras, printers, etc.
-Transfer or backup your mp3's, digital photos, and digital videos to your desktop or laptop with rates up to 480Mbps
-Compatible with Windows 98SE /ME /2000 /XP /Vista /7, Mac OS 9.1 or above, Linux 2.4 or above
-Plug-n-Play, Hot swappable, Hot pluggable, Chains up to 127 USB devices.
-Box includes 1 x USB hub, 1 x Power Adapter, 1 x USB - USB extension 3' cable