|Wireless Type||2.4 GHz Radio Frequency, 802.11abg|
|Number of USB 2.0 Ports||1|
2-Year PC Peripherals Protection Planfrom Asurion, LLC
- Delivered by e-mail, register and file claims online or by phone
- Surge protection starts when your product ships; mechanical and electrical failures are covered after manufacturer warranty expires
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Kensington Expert Trackball Mouse
|Price:||$66.32 & FREE Shipping. Details|
|You Save:||$28.67 (30%)|
- Large ball Trackball Mouse with Scroll Ring for comfort and precision
- Customizable 4-Button design via TrackballWorks software
- Compatible with Windows (including Windows 8) and Mac OS Computers
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This item: Kensington Expert Trackball Mouse
Logitech M570 Wireless Trackball B0043T7FXE
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|Sold By||Amazon.com||Amazon.com||Amazon.com||Clearly Superior Products|
|Hardware Interface||usb2.0||radio frequency||usb2.0||usb|
|Battery Description||Information not provided||AA||Information not provided||Information not provided|
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From the Manufacturer
- DiamondEye Optical Technology provides precise tracking for superior accuracy while moving the cursor around the screen
- Plug & Play
- Compatible with Windows 10 / 8.1 / 8 and Mac OS X
The Expert Mouse Wired Trackball is the ultimate productivity enhancer that makes working at the desk quicker, more accurate and extremely comfortable for your hand and wrist. Featuring DiamondEye technology, the trackball uses optical tracking to precisely follow small flecks embedded in the large 55mm ball to provide smooth, accurate cursor control. The four buttons are customizable using our highly intuitive TrackballWorks software, while our award-winning Scroll Ring lets you quickly scan up and down web pages and large documents. Add it all up and you get exceptional comfort and ease-of-use that has set the industry standard for more than 20 years.
DiamondEye Optical Tracking
Movement detection technology provides smooth, precise cursor control so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency.
Award Winning Scroll Ring
Spin the dial to move up and down web pages or documents with complete ease while the grey ball has been specially designed with an absolute spherical, hard surface for precise tracking and control.
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.
Comfortable Ambidextrous Design
Works equally well for either right-handed or left-handed users while taking up less desk space than needed to operate a mouse. Provides more comfort during extended use through reduced arm and wrist movement.
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 4 buttons, as well as controlling the pointer speed and scrolling speed.
Kensington understands the link between productivity and protection. This drives them to engineer security elements into all of Kensington's products and technology platforms. Businesses, organizations, professional users and consumers each value the assurance provided by the 'smart. safe. simple' brand promise, which Kensington applies to everything they design, manufacture, and market.
Top Customer Reviews
I had misgivings about this product after reading some "Worse than Bad" reviews that were in this forum. Still, either because hope springs eternal or a fool and his money are soon parted, I went ahead and ordered one.
Out of the box ball rotation was _The Worst_ as others had said. I had deadlines, however, so decided to use it to see if anything would improve. Two hours later it had "broken in".
Trackball Wizards, my number five is on the trophy shelf. The Seven is AAMMAAZZIINNGG. Totally silent movement; virtually frictionless rotation; excellent functionality, and it has GOT to have one of the most eloquent designs of any input device on the market.
As an added bonus the scroll ring beats any scroll wheel I have used, anywhere.
Congratulations to Kensington for creating a truly superior product.
My less than perfect rating is for the less-than-fluid turning of the scroll wheel. It sometimes feels like you're grinding coffee when you're turning it. Sometimes it's smooth like butter, other times, it seems to skip a little... and it's not due to debris, since it's been like this since I got it out of the box.
This is something Kensington needs to iron out in their next model.
Despite this one flaw, this is simply the best their is and there's a good reason why this mouse flies off the shelves at nearly 100 bucks a pop - it's because it's the best input device alternative to a mouse - ever - anywhere.
Do your wrist a favor and treat yourself to navigating in joy.
First, it is very pretty. The buttons are nice looking and easily clicked. The ball is a nice size.
The trackball comes with a wrist rest, however it is not comfortable if you use your fingertips to move the ball. In fact, the Kensington documentation states that your hand should "hover" when using your fingertips to move the ball. The reason is, when you move the ball towards you, your fingers have to bend and your wrist bends upwards. In order to keep your wrist straight, you have to hover your palm over the wrist rest. So why did they include a wrist rest?
The only other configuration possible is to rest the blade of your hand, pinky side down, on the wrist rest and use your thumb to move the ball. This position feels good, however I found I am much less accurate with my thumb. Also if you have any thumb pain, this position is not feasible.
The scroll ring is a very nice feature. However, as everyone else has found, it sounds like it has sand in it when rotated. I took it apart and lubed it with a plastic safe grease. Even though I worked the grease into the mechanism, the plastic bearings still make the grinding sound while saturated in grease. I can't get to them to see if they can be replaced without breaking the plastic, which has been melted closed.
The ball is large and very pleasant to use. It was stiff out of the box though. The ball sits on three very tiny red balls, which act as bearings. Over a few hours of use, the grease from your fingers will lube the bears somewhat. You can also remove the ball and put a small dab of grease on these bearings, replace the ball and spin it, then remove the ball and clean it.Read more ›
Earlier Kensington Expert Mice were almost flat, and were very comfortable. It's baffling to me why they made this change in the design.
Kensington did take this mouse back for a refund even though I had used it for a week (all I could stand). It may be that this unit is comfortable for someone with very large hands. I've gone back to my Logitech Marble Mouse, regretfully -- if not for the incline, the Kensington would have truly been the perfect trackball.
Most Recent Customer Reviews
Scroll ring is very stiff, forcing me to rotate it with force, a process that is easy to accidentally press the surrounding buttons. Read morePublished 1 day ago by Yeung Ho Yiu
I wanted a bluetooth one and bought this (like so many others I remember this general style from the early years and liked it back in the day). Read morePublished 1 day ago by VC Ohio
Loved these things since the 90's. Just wish the ball was bigger (like it used to be in the 90's).Published 2 days ago by Mike
Works very well, I like the trackballs and this one has a good feel. I also like it because it is one of the few Bluetooth and USB Nano trackballs out there. Read morePublished 3 days ago by Gary W. Leduc
I have been using one of these for about 15 years. I finally wore out mine and had to replace it. I was able to get an exact replacement after all these years. Read morePublished 5 days ago by James E. Thompson
Most reviews are from people who have used the the track ball for only a short amount of time. I didn't buy mine from amazon but I have had my Kensington Expert Trackball for... Read morePublished 7 days ago by Christopher T Boyd
This is my third Trackball Mouse....I've worn out the two previous units. I loved them.. This one look identical to the others however the track wheel... that surrounds the ball... Read morePublished 7 days ago by 40Dutch