Rolodex Hub 2 USB (4) Compatible with Windows 98, 98SE, Me, 2000, XP and Mac OS 10.0 or higher 5-ft. power cord Includes plastic hub frame and rubberized feet for use on your desk Gives you the ability to add a power adapter for more high-performance devices 2 1/8"H x 6 1/4"W x 2 3/8"D