The Verbatim Wireless Desktop 8-Button Deluxe Mouse takes navigation and computing efficiency to a new level. Multi-button functionality enables users to navigate within and between applications with ease - for the ultimate computing experience. Button functionality includes: Standard Left/Right Button Scroll wheel - click to scroll within web browser or documents - no need to move mouse DPI Button - controls mouse sensitivity (800, 1200, 1600) Back/Forward Buttons - easily navigate between pages in your browser Zoom Windows 8 Home Button. Verbatim 8-Button Deluxe Mice feature Blue LED technology, allowing users to navigate on virtually any surface, from a glass tabletop to granite countertop. 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 is backed by a 1-Year Limited Warranty.