Kensington Orbit Fusion Trackball Black – 1 – Scroll Ring (K72363WW)

Trackball features a finger-operated trackball with the familiar shape of a mouse for excellent precision and control. Finger-operated scroll ring provides an intuitive, smooth scrolling experience to help you quickly navigate through multiple pages. Ergonomist-approved design promotes proper wrist, arm and shoulder alignment to maximize comfort and minimize potential strains. Easy-to-use design reduces the learning curve when transitioning from a mouse to a trackball.