Overview: Fully compliant with the universal Serial Bus Specification version 1.1/2.0, full speed up to 480 Mbps Single chip integrated USB (Universal Serial Bus) hub controller with embedded proprietary processor Support four bus-powered USB (Universal Serial Bus) hub controller with embedded proprietary processor. Support four bus-powered downstream ports. Design with super streamline amp; mini amp; mini size with color LEDNote: A random color will be dispatched if this product color becomes out of stock. Specification:4-PORT HUB WITH SWITCHHUB USB (Universal Serial Bus) 2.0480 Mbps MAC OS, 98SE/ME/2000/LINUX/XP/VISTAIBM Compatible PC or i-Mac PC (OS8.6) Requirements:i-Mac, I-book, G3, G4....IBM/MACUSB Host card or USB (Universal Serial Bus) HUB device OS: Win 95, ORS2.0, Win 98/SE, Win 2000, Win ME & XPBuilt-in 3.3 voltage regulator allows single 5V operating voltage resulting in reduced overall system cost. Provide up to 500m A current to each port which is sufficient for diverse devices. Hot Plug amp; Play. Size Approx:14 x 3 x 3 cm Weight