Experience ultimate comfort and precision with the Kensington Orbit Mouse. This wired trackball mouse, with a scroll ring, is designed to provide you with an ergonomic experience. The optical tracking method ensures smooth and accurate movement while the USB connectivity makes it easy to connect to your device. The blue colour adds a touch of style to your workspace. With its brand reputation and features, this trackball mouse is a must-have for any computer user.nThe Kensington Trackball lets you customise the functions of each of the buttons. The result is a more productive and truly personalised computing experience. Set your preferred functions or keyboard shortcuts for each trackball button or a combination of buttons, and you can even adjust the pointer speed and acceleration. It also allows you to personalise your trackball experience with its integrated Trackball Works. This mouse is compatible with the latest operating system versions including Windows 7, Windows Vista, Win.