The Lenovo Mini Optical Mouse M20 USB is the perfect accessory for your computer or laptop, providing you with a superior user experience while navigating the web or working. The mouse is a Wired Mouse, providing you with superior connectivity. It features a 1000dpi sensor at its core, ensuring superior tracking of the mouse movements for the cursor. The mouse has an Optical Sensor which provides superior and reliable tracking, compared to mechanical mice. The Lenovo Mini Optical Mouse M20 USB features USB 2.0 connectivity, ensuring maximum compatibility with a broad range of devices. The mouse is designed to work with Apple Mac OS as well as Microsoft Windows operating systems. It features 3-buttons for maximum control.