This DELL Mouse Invent 2.4G Wireless Optical Mouse Provides a Comfortable and intuitive constraint of your notebook. Move your mouse to the place which best suits you and enjoy the liberty and precision awarded. This Dell wireless mouse is the true definition of freedom. It features a nano-receiver (easy to the plugin). No software to install. The DELL Invent Wireless Optical Mouse lets you Love precision, comfort, and style which makes it the perfect companion for the individual on the go. Five-button design. Rubber scroll wheel. It go into sleep mode automatically when not in use. 2.4GHZ wireless technology. An ergonomic mouse for home and office use. Optical monitoring technology works on many surfaces. The mouse is compatible with most notebook and desktop computer models. Simple to use scrolling function, DPI change, and Page Forward and Backward buttons. Wireless mouse connects via USB receiver.