Verbatim 98622 Wireless Desktop 8 Button Mice Graphite Verbatim 8-Button Deluxe Mice feature Blue LED technology, allowing users to navigate on virtually any surface, from a glass tabletop to granite counter top. Additionally, 2.4GHz wireless performance allows for lag-free cursor movement. The mouse connects to the computer via a nano receiver, small enough to plug in and leave connected - great for computing on the go. When not in use, the receiver stores conveniently inside the battery compartment. The Wireless Desktop 8-Button Deluxe Blue LED Mouse. Features Scroll wheel - easily scroll within web browser or documents - no need to move mouse DPI Button - controls mouse sensitivity Back/Forward Buttons - easily navigate between pages in your browser Windows 8 Home button - enhances Windows 8 experience - launch applications quickly and easily Zoom feature - easily enlarge fine print or view details within web browser and documents without moving your hand from the mouse Blue LED Technology - Navigate with precision and control on virtually any surface, including glass, granite countertops, hardwood floors, carpeting and more! Wireless - 2.4GHz wireless reliability and performance via Nano Receiver small enough to plug in and leave connected. For added convenience, receiver may also be stored inside mouse. Ergonomic design - Contoured shape with easy-grip surface makes computing comfortable for hours. LED technology may not work on some glass or mirrored surfaces. Color - Graphite