Verbatim Wireless Desktop 8-Button Deluxe Mouse - Ergonomic, Blue LED, Portable Mouse for Mac and Windows &ndash; Purple Blue LED technology allows for use on virtually any surface including glass desk surface, hardwood floors, & granite counter tops with precision and control Scroll wheel - easily scroll within web browser or documents - no need to move mouse. Back/Forward Buttons - easily navigate between pages in your browser 2.4GHz wireless connection for lag-free performance. Plug-and-forget nano receiver connects mouse to notebook or PC Contoured design with sleek, glossy finish fits comfortably in your hand Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a 1-year limited warranty and technical support