Brand NEW! Optical - Wireless - Radio Frequency - Black - 1000 dpi - Scroll Wheel - 3 Button(s) - Symmetrical Enjoy a tidy workspace with wireless connectivity Reduce cable clutter with the Dell Wireless Mouse-WM126, providing the functionality you need in a mouse with none of the wires. Great for everyday use at home or in the office 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. Work and play longer with a long battery life Up to 1-year of battery life provides you peace of mind knowing that you can stay powered up longer virtually anywhere. Comfortable design Work in comfort thanks to a contoured design that feels great in either hand. The mouse features three clickable buttons (left, right, and middle) and includes a scroll wheel for ease of use. Quick setup and easy installation 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. Product Type: Mouse Pointing Device Pointing Device Connectivity Technology: Wireless Pointing Device Wireless Technology: Radio Frequency Movement Detection: Optical Movement Resolution: 1000 dpi Number of Total Buttons: 3 Scroller Type: Scroll Wheel Ergonomic Fit: Symmetrical Physical Characteristics Color: Black Weight (Approximate): 2.03 oz Miscellaneous Package Contents: Wireless Mouse-WM126 - Black 1 x AA Battery USB Receiver Documentation - All international buyers are responsible for all tax, duties and/or customs fees.