USB Hub Mouse pad
* Fully compliant with the universal serial bus specification version 1.1 and USB 2.0.
* Single chip integrated USB HUB controller with embedded proprietary processor.
* Supports four bus-powered/self-powered downstream ports.
* USB 1.1 RUNS AT 12Mhz frequency,USB2.0 Support date transfer rate at 1.5/12/480 mbps.
* USB 4 Ports for variety of external USB devices connection demand.
* Driverless,hot plug&play.
* Black compact panel and smooth movement which suitable for all kinds of mechanical mouse and optical mouse.
* Blue or seven-color light flashed around the pad
* Support for Windows vista,XP,2000,98SE,Linux2.4 and Mac OS85 or over version