Verbatim 99770 Silent Wireless Blue-LED Mouse (Blue & Black) • Truly silent mouse featuring Silent Technology, silent click switches & rubber covers;• 2.4GHz wireless connection for lag-free performance;• Blue LED technology allows for use on virtually any surface with precision & control;• Ergonomic design & comfort grip for ease-of-use;• Plug-&-forget nano receiver connects mouse to computer;• Compatible with Mac(R) & Windows(R) platforms;• 1-year limited warranty;• Blue;