Overview: Fully compliant with the universal Serial Bus 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. Built-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. Design with super streamline amp; mini size with color LED show (particular models). Note: 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/VISTARequirements:IBM Compatible PC or i-Mac PC (OS8.6)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 & XPSize Approx:14 x 3.5 x 2 cm Weight