Kensington Pro Fit Ergo Vertical Trackball - Bluetooth - Optical - 9 Programmable Button(s) - Black - Wireless - 2.40 GHz - Scroll Wheel - Right-handed

Ergonomist Approved Design

Promotes proper wrist, arm, and shoulder alignment to maximize comfort and minimize potential strains.

Easy to Use

Reduces learning curve when transitioning from a mouse to a trackball.

Premium Precision and Speed

Provides more accurate and smooth cursor control, and allows you to easily switch between DPI settings for different cursor speed control.

Flexible Wireless Connection Options

Allows stable connectivity for up to three computers.

Plug-and-Play or Customize

Experience plug-and-play default settings or use KensingtonWorks software to set pointer and scrolling options and professionally customize nine buttons to tackle common tasks with one touch.

Unique Easy-to-Clean Design

Provides a button to eject the trackball for easy cleaning.

Long Battery Life

Works for up to 18 months on two AA batteries (included). The battery indicator light eliminates surprises. Battery life may vary based on usage.

Features

• From controlling text size to image zoom, opening or closing tabs, the featured scrolling wheel makes it a breeze to perform tasks quickly
• Enjoy the freedom of Bluetooth wireless connectivity found in most Computers
• Features optical resolution for silky smooth movement