Kensington Pro Fit Ergo Vertical Wireless Trackball - trackball - Bluetooth, 2.4 GHz

Give your hand a healthy break. Upgrade to ergonomist-approved comfort and premium cursor control with Kensington's Pro Fit Ergo Vertical Wireless Trackball. A 60° tilt angle keeps the wrist in a natural handshake position to improve wrist and forearm posture. This mouse-like vertical trackball is easy to learn and it and offers 9 programmable buttons.