Kensington Orbit Trackball w/ Scroll Ring/Wrist Rest Optical Mouse Tracking

Scroll Ring and Medium Ball
Spin the dial to move up and down web pages or documents with complete ease. The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control

Optical Tracking Technology
Provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency

Detachable Wrist Rest
Soft cushioning cradles the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computer

Ambidextrous Design
Works equally well for both right-handed and left-handed users to get the most out of their trackball

Plug & Play Installation
Quickly get clicking and scrolling with fast, simple installation through the reliable wired USB connection, plus it doesn’t need batteries

TrackballWorks Customisation
Free downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds