I only say used because it doesn't have a box and I've tested it Enhance your computing experience with the Logitech M510 Advanced Full-size Wireless Mouse. It offers a comfortable, ergonomic design with a laser-precision tracking system for smooth and accurate cursor movement. The wireless connectivity ensures you can work or play from anywhere, and the included USB transceiver provides easy setup. This sleek black mouse features five programmable buttons for customizability and an on/off switch to conserve battery life. With a generous 1000 DPI resolution and side-to-side scrolling, the Logitech M510 is a reliable and efficient tool for both everyday tasks and complex projects.