The Verbatim Wireless Desktop 8-Button Deluxe Mouse takes navigation & computing efficiency to a new level. Multi-button functionality enables users to navigate within & 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 ButtonVerbatim 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 & 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.