Take your work on-the-go with the reliable wireless connection of the Dell Wireless Mouse-WM126. You can also connect up to six compatible devices with a single receiver, allowing you to wirelessly connect with your keyboards and mice at home, in the office or on the move. Up to 1-year of battery life provides you peace of mind knowing that you can stay powered up longer virtually anywhere. Your mouse comes ready to plug and play via the included receiver. No software or drivers are required. However, if you wish to make full use of Dell Universal Pairing technology and connect up to 6 compatible devices with one receiver, please go to Dell.com/pair to download the required software.