Design
Form factor	Ambidextrous
Product colour	Black
Mouse
Connectivity technology	Wired
Movement detection technology	Optical
Scroll type	Ring
Buttons quantity	2
Trackball diameter	4 cm
Programmable mouse buttons
Other features
Special features	Ambidextrous Design; SmartFitTM
Compatible operating systems	macOS Sierra 10.12; Windows 7; macOS 10.9; Windows 8.1; macOS 10.8; macOS X 10.11; Windows 11; Chrome OS 44 or above; macOS 10.10 or above; macOS 10.13 or above; Windows 10; Windows 8
Trackball
System requirements
Other operating systems supported	ChromeOS
Windows operating systems supported
Mac operating systems supported

All-day comfort and scrolling come together in the Kensington Orbit Trackball with Scroll Ring. The scroll ring allows you to fly through web pages and documents. And all while delivering comfort and space savings no mouse can match.