usb hub mouse pad ,multifunctional mouse pad,4 port usb hub mouse pad ,new usb hub,multifunction mouse pad,promotion gift

Fully compliant with the USB V1.1(Or USB V2.0) Single chip integrated USB Hub control with embedded proprietary processor. Supports 4 bus-powered/self-powered downstream ports. Runs at 12MHz frequency. Driverless,hot plug & play,Dual Blue LED show. Support OS:Windows XP,2000,ME,98,Vista and Mac etc.