SANOXY Compact size 7-Port High Speed USB 2.0 Hub W/AC Adapter (BLACK) 7 Port LED USB 2.0 Hub w/ AC Adapter & USB Cable. High Speed Vertical Tower 7 Port USB 2.0 Hub Power AC Adapter Add an extra 7 USB ports using the 7 port USB hub USB: USB 2.0; compatible with USB 1.0/1.1 Compatibility: Windows XP/ME/2000/98SE/Vista/7/Mac OS