The Kensington Orbit Optical Trackball Mouse is a versatile and efficient mouse designed for use with both Windows and Mac computers. With its silver color and ergonomic design, this trackball mouse offers comfortable use for extended periods. It features programmable buttons, a grip for easy handling, a scroll wheel for smooth navigation, and the ability for side-to-side and 4-way scrolling. Additionally, the rechargeable battery and optical tracking method ensure precise and smooth cursor movement for a more efficient computing experience. This mouse is a reliable choice for those looking for a high-quality trackball option.