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.

KensingtonWorks™ Customization

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.* *ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks. *Windows ARM-based computers are currently not supported. Please check back for future updates on compatibility.

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

SmartFit™ - Comfort Made Easy

This product is designed to comfortably fit and be effective for users of all hand sizes.

Mouse
Device interface	USB Type-A
Buttons quantity	2
Movement detection technology	Optical
Purpose	Office
Movement resolution	400 DPI
Scrolling directions	Vertical/Horizontal
Scroll type	Trackball
Trackball diameter	1.57" (4 cm)
Input device
Device interface	USB Type-A
Buttons quantity	2
Movement detection technology	Optical
Purpose	Office
Movement resolution	400 DPI
Scrolling directions	Vertical/Horizontal
Scroll type	Trackball
Design
Product colour	Black
Form factor	Ambidextrous
Material	ABS synthetics, Plastic
Surface coloration	Monochromatic
Ergonomic design	Yes
Country of origin	China, Malaysia
Ergonomics
Plug and Play	Yes
Cable length	59.1" (1.5 m)
Ergonomic design	Yes
Power
Power source	Cable
System requirements
Windows operating systems supported	Yes
Mac operating systems supported	Yes
Other operating systems supported	ChromeOS
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C
Operating relative humidity (H-H)	5 - 90%
Weight & dimensions
Width	4.52" (114.8 mm)
Depth	5.46" (138.8 mm)
Height	1.9" (48.4 mm)
Weight	5.64 oz (160 g)
Packaging data
AC adapter included	No
Package width	5.24" (133 mm)
Package depth	6.14" (156 mm)
Package height	3.33" (84.5 mm)
Package weight	15 oz (425 g)
Package type	Box
Quantity per pack	1 pc(s)
Mouse pad included	Yes
User guide	Yes
Packaging content
Mouse pad included	Yes
User guide	Yes
Sustainability
Compliance certificates	CE, Federal Communications Commission (FCC), KCC, RCM, VCCI
Technical details
Warranty period	3 year(s)
Compliance certificates	CE, Federal Communications Commission (FCC), KCC, RCM, VCCI
Logistics data
Quantity per pack	1 pc(s)
Country of origin	China, Malaysia
Other features
Weight	5.64 oz (160 g)
Warranty period	3 year(s)