The comfort of a mouse -- the benefits of an optical trackball Control your cursor with a simple touch of the finger! The highly accurate Orbit Optical is as easy to use as a regular mouse, but it stays in one place saving you valuable desk space. The precise optical tracking mechanism is also resistant to dust, reducing the need for regular trackball cleaning.
Features:
- Diamond Eye optical technology for precise tracking & cursor control.
- The comfort of a mouse & the fingertip control of a trackball.
- Uses less arm movement & desk space than a conventional mouse USB (Universal Serial Bus) & PS/2 connectivity for greater compatibility.