Does it work on Linux?

Yes. I’ve used this trackball with 5 different releases of Linux Mint going back some years. All 4 buttons will work, but you will have to monkey with your desktop environment to map them to what you want.

does left click result in double click after use?

I have a Kensington "Mouse Port/Serial" version (RS232 "COM" Serial or PS/2) Expert Mouse trackball (from the mid 90's) that I bought new all those years ago when I built my Intel 486 DX2-66 PC (66Mhz = 0.066Ghz) and have been using for hours and hours every day on each PC upgrade I've built ever since (currently a i7-4790K !), including audio editing, gaming, web browsing, and more... I still have the original box which says "OS2 Warp" and "Works with Windows 95 and Windows 3.1" and "5 Year Warranty" on it (yes, it's really THAT old!) and all these years later I'm now using it on a 4.0Ghz quad-core PC running Windows 10 Pro x64 with no problems whatsoever! Even after pounding hard on the bottom left button for gaming year after year it just took the abuse and kept on working fine. After about 15 years of that abuse along with lots of hard pressure holding of that same bottom left button for selecting audio segments, manually scrolling through documents and web pages, and so on, it began occasionally either releasing or double-clicking during selecting of audio segments as if I'd released the button when I had not, BUT after sitting overnight it always goes back to normal and doesn't act up like that unless I start doing lots of heavy thumb action with bottom left button holding or pounding again. If I remember to go a little easier on the pressing or don't do a ton of left button holds it can go for weeks before the bottom left button gets quirky again. Also note that it's literally 20 years old, it's been doing that off and on for about a decade now, and it has never been anywhere near as intermittent and downright useless as the Logitech buttons become in less than a year with comparable use. We have Logitech trackballs at work and after the third replacement batch in 2 years they've learned to live with the flaky buttons because the boss feels that $25-$40 for a mouse is absurd and he definitely won't spend the money to buy Kensington trackballs... I'm actually about to replace my 20 year old Kensington Expert Mouse with the new model, only because I need a KVM, my back-lit keyboard is "USB only" (PS/2 Support), USB didn't exist when I bought my now 20 year old Serial/PS-2 Expert Mouse, and although I have successfully gotten its' signals to convert to USB through a (RS-232 COM Port) "Serial to USB interface" and also got a PS/2 to USB keyboard/mouse signal converter dongle to work with it I haven't been able to successfully get either of those converted USB signals to pass through a USB KVM...I started to look for other ways to adapt PS/2 or Serial to USB that claimed to be KVM compatible but I couldn't find a workable solution that would pass through a USB KVM for less than the cost of a brand new Kensington USB Expert Mouse so sadly I think my 20 year old Expert Mouse is about to be retired and an new USB one will finally be taking its' place soon. I hope the quality of today's Kensington Expert Mouse is as good as they were 20 years ago. Time will tell... Also note that my 20 year old Expert Mouse that still works very well uses 2 giant wide metal rollers for the X and Y axis motion detection (that the ball rests on) with photo-led sensor wheels inside to generate the X/Y mouse movement signals, basically over-sized industrial grade versions of the small plastic roller rods the old rubber ball mice used to use (which had to be cleaned when the cursor started getting stuck and I need to clean these maybe once every 3-4 years at the most), unlike the much newer mouse technology of the past decade that uses optical detectors to actually look at the ball and see it move. As a comparison, Logitech once offered a big track ball mouse for a while that looked almost identical to the Kensington Expert Mouse for less than half the price and when I lifted the ball out to check out the rollers it was immediately obvious why the price was so much less. They were tiny rollers just like you'd find inside a cheap old ball mouse! So 20 years ago you got what you paid for, and even 10 years ago it was obvious that the Kensington products were still vastly superior in quality to their competition and based on the reviews here that still seems to be the case.

Can the Expert side scroll? I use spreadsheets that are really wide and have a lot of columns and need that feature.

Even better than holding the SHIFT key, you can scroll horizontally ONE-HANDED: Assign one of the additional buttons to activate the SHIFT key using the included KENSINGTON TRACKBALL WORKS software. I recommend using the button opposite your thumb so you can use your thumb to scroll horizontally. So, for those RIGHT-handed assign SHIFT to the TOP RIGHT button, for LEFT-handed assign SHIFT to the TOP LEFT button. This works on Windows and Mac OS X.More Info: http://www.kensington.com/us/us/6498/trackballworks%e2%84%a2-customization-software

Does the scroll ring on this mouse have clicks that you can feel while scrolling - when scrolling through a set of images to be able to know that you

No, I don't know if the people above had a different version of the mouse or something but there are NO clicks on the scroll ring. It scrolls smoothly.

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Reviews

R**S

My choice

Recommend for people who know how to use this track ball

4.04.2024

T**M

Comfortable and productive

Took me a while to decide to opt for such a different style of mouse but it’s made a big difference not only to my personal comfort when working for long hours, but also to my work flow, and was surprisingly easy to get used to.

5.07.2021

F**T

Its BIG and huge

Although I returned it.. But it's very good if someone has no issue with size...

23.01.2025

C**R

Amazing!

Great mouse, especially for my applications (sound engineer and producer). It's no wonder this is the industry standard mouse in so many studios.

23.01.2020

A**E

"Cheap" for the price

After many positive reviews, I decided to try the SlimBlade, despite a few of the negative comments regarding the buttons. Please note, the comments on how mediocre this trackball is ARE the accurate reviews. While the device is nice enough, especially the ball itself, I don't think it's worth the high price being charged. The unit itself is rather lightweight and doesn't sit as solidly on the desk as one would expect from a premium piece of equipment. The mouse buttons are cheap plastic, weak, flimsy, tabs and switches that vary between, "did it actually press?" or "am I gonna break it if I press a little harder?" I really like the weight of the trackball, and the scrolling feature (rotating the ball itself) seems to be a love/hate thing...I'm one who loves it. There is so much about the mouse that I want to like and the trackball, scrolling and unit height are those things. That being said, the premium price you pay for the unit, versus the actually quality of the unit that you get are too divergent IMO. Considering replacing this unit for the expert, but that seems to have its issues as well. The quest for a good trackball continues...

28.01.2021

K**I

Got pain in my wrist!!

Came on time, it was as they described it. However it’s not comfortable at all. Got pain in my wrist.

1.03.2020

ASIN	B01936N73I
Additional Features	Ergonomic Design, Touch Scroll, Wireless
Antenna Location	Office
Are Batteries Included	Yes
Are Batteries Required	Yes
Best Sellers Rank	#14,193 in Computers ( See Top 100 in Computers ) #5 in Computer Trackballs
Brand	Kensington
Built-In Media	Trackball^Wrist Rest^Dongle^Batteries (2)^Quick Installation Guide^Warranty Insert
Button Quantity	4
Color	Black
Colour	Black
Compatible Devices	Laptop, Other, Tablet
Connectivity Technology	USB
Connectivity technology	USB
Customer Reviews	4.2 out of 5 stars 18,124 Reviews
Embellishment Feature	Crystal
Enclosure Material	Plastic
Finish	Smooth Plastic
Global Trade Identification Number	00085896723592, 07802880611214
Hand Orientation	Ambidextrous
Hardware Platform	PC,MAC
Item Dimensions L x W	20.3L x 15.5W centimeters
Item Type Name	Trackball
Item Weight	1.35 Pounds
Item height	7 centimeters
Manufacturer	Kensington
Model Name	Expert Mouse
Model Number	K72359WW
Movement Detection	Optical
Movement detection technology	Optical
Number of Batteries	1 A batteries required. (included)
Number of buttons	4
Operating System	Chrome, Mac, Windows
Power Source	Battery Powered
Range	33 feet feet
Special features	Ergonomic Design, Touch Scroll , Wireless
Style Name	Modern
Theme	Computer
UPC	085896723592
Unit Count	1 Count

Kensington Expert Wireless Trackball Mouse (K72359WW) Black, 3.5" x 6.1" x 8"

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