Kensington Expert Mouse® Wireless Trackball

The Expert Mouse Wireless Trackball gives you the freedom to be hyper-productive without being limited by a USB cable. The trackball can be paired through Bluetooth® 4.0 LE to save a valuable USB port, or connected via USB nano receiver. TrackballWorks™ software offers incredible customization, and optical tracking technology offers smooth, precise cursor control. Plus, our award-winning Scroll Ring lets you quickly scan up and down web pages or long documents. Add it all up and you get exceptional comfort and ease-of-use from the brand that has set the industry standard in trackballs for more than 30 years.

Wireless connection via Bluetooth® LE or USB nano receiver
Compatibility with Bluetooth 4.0 LE: Windows® 10, 8.1 and Mac OS X 10.8 and later*
TrackballWorks compatible with Mac only when using 2.4GHz connection
Kensington worked directly with Microsoft to provide professional-level solutions that look as good as they function, so you can work like a pro.
Optimized for your Windows 11 Trackball Functions
TrackballWorks™ software lets you customize all 4 buttons, adjust cursor speed
DiamondEye™ optical tracking technology for premium cursor control and accuracy
Award-winning Scroll Ring lets you scan up and down pages with ease
Large ball is designed as a perfect sphere to provide exceptional precision
Detachable wrist rest supports hand and wrist for ergonomic comfort
Ambidextrous design works equally well for both right-handed and left-handed users
Auto-sleep helps conserve AA battery life
Compatibility with USB receiver: Windows® 10, 8.1, 8, 7 and Mac OS X 10.8 and later

Number of scroll wheels	1
Scrolling directions	Vertical
Purpose	Office
Device interface	RF Wireless + Bluetooth
Movement detection technology	Trackball
Movement resolution	400 DPI
Buttons type	Pressed buttons
Scroll type	Ring
Programmable mouse buttons	Yes
Buttons quantity	4
Frequency band	2.4 GHz
Bluetooth version	4.0
Bluetooth Low Energy (BLE)	Yes
Sensor type	Optical
Trackball diameter	5.5 cm
Form factor	Ambidextrous
Product colour	Black
Power source	Batteries
Battery type	AA
Battery technology	Alkaline
Windows operating systems supported	Yes
Mac operating systems supported	Yes
Other operating systems supported	ChromeOS
Width	177.8 mm
Depth	101.6 mm
Height	260.3 mm
Weight	635 g
Quantity per pack	1 pc(s)
Receiver included	Yes
Wireless receiver interface	USB Type-A
Receiver type	Nano receiver
Compatibility	Surface Book 3, Surface Go, Surface Laptop 1 (13"), Surface Laptop 5 (15"), Surface Pro 8, Surface Go 3, Surface Laptop Studio, Surface Laptop 2, Surface Laptop Go 2, Surface Pro 4, Surface Laptop Go, Surface Book 1, Surface Book 2, Surface Go 2, Surface Laptop SE, Surface Pro 6, Surface Pro 9, Surface Studio, Surface Studio 2, Surface Studio 2+, Surface Laptop 3, Surface Laptop 4, Surface Laptop 5 (13.5"), Surface Pro 5, Surface Pro 7, Surface Pro 7+, Surface Pro X
Compatible operating systems	Windows 7 or above; Windows 8.1; macOS 10.9; Chrome OS 44 or above; Windows 10; macOS 10.10 or above; macOS 10.13 or above; macOS Sierra 10.12; Windows 7; Windows 8; macOS 10.8; macOS 10.9 or above; macOS X 10.11
Connectivity technology	Wireless
Harmonized System (HS) code	84716070