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. Package Includes: Mouse, Nano receiver, 2 x AA Batteries