Data transfer rates of up to 480 Mbps • Supports up to 127 USB devices • USB 1.1 backwards compatible • Compatible with Windows 2000/XP/Vista/Windows 7; Mac OS 9 or above • USB mini-B to A-type cable, 60 cm (23.6 in.) • 42×42 x 12.5 mm (1.6×1.6×0.5 in.); 14 g (0.5 oz.) Package contents: • Hi-Speed USB 2.0 Micro Hub • USB cable and quick install guide