Sitecom USB micro hub. Data transfer rate: 12 Mbit/s. Weight: 30 g. Package weight: 0.13 kg. Interface: USB 1.1, Dimensions (WxDxH): 42 x 22 x 32 mm, Package dimensions (WxDxH): 220 x 140 x 35 mm. Minimum system requirements: USB, Compatible operating systems: Windows 98SE, 2000, ME, XP