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Kensington 4-Button Expert Mouse USB/PS2 Trackball
 
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Kensington 4-Button Expert Mouse USB/PS2 Trackball

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4.2 out of 5 stars See all reviews (14 customer reviews) More about this product


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Technical Details

  • USB and PS2 support for PC users and USB Macs for easiest connectivity
  • Large ball with stainless steel bearings give smooth, precise tracking and maximum durability
  • Symmetrical, comfortable design features a classic color tone that complements most PCs
  • Customizable buttons provide single-click options to repetitive tasks
  • The Kensington® satisfaction guarantee - 5 year warranty, toll-free technical support, 90-day no risk trial
  See more technical details

Product Details

  • Item Weight: 2.6 pounds
  • Shipping Weight: 1 pounds
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B00006B8NT
  • Item model number: 64217
  • Average Customer Review: 4.2 out of 5 stars See all reviews (14 customer reviews)
  • Amazon.com Sales Rank: #55,616 in Electronics (See Bestsellers in Electronics)

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    #42 in  Electronics > Computers & Accessories > Mice & Keyboards > Trackballs
  • Date first available at Amazon.com: June 21, 2002

Product Description

Product Description
Classic design. Eminently functional. Supremely dependable. Amazingly powerful. What more could you ask for in a trackball?

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Kensington 4-Button Expert Mouse USB/PS2 Trackball

Kensington 4-Button Expert Mouse USB/PS2 Trackball


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Kensington Expert Mouse Trackball - USB w/PS2 Adapter
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Customer Reviews

14 Reviews
5 star:
 (11)
4 star:    (0)
3 star:    (0)
2 star:
 (1)
1 star:
 (2)
 
 
 
 
 
Average Customer Review
4.2 out of 5 stars (14 customer reviews)
 
 
 
 
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Most Helpful Customer Reviews

 
7 of 7 people found the following review helpful:
5.0 out of 5 stars Built like a tank., February 27, 2005
By bilagaana (USA) - See all my reviews
  
I've used the Expert Mouse, daily, for at least eight years. Computer systems have come and gone, but the Expert Mouse endures. Calling it rugged doesn't begin to do it justice. I originally purchased this unit for computer graphics applications. The very large ball and stable base give the user precise control over cursor movement. And for games...it's speed and responsiveness are unbeatable. My first Expert Mouse developed a problem with the cable socket. Kensington replaced the entire unit, free of charge and no questions asked. The replacement has endured seven solid years of hard usage. The Mouseworks configuration software is a real bonus. Overall, the Expert Mouse is one of the better hardware investments you could possibly make.
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4 of 4 people found the following review helpful:
5.0 out of 5 stars It's the Best, June 7, 2005
By H.S.A. (Washington, D.C. United States) - See all my reviews
I was sad to see Kensington isn't offering this model on their website anymore...I was drawn in by one of their new, shiney, Death-Star-Black models, and was sadly dissapointed how "Un-ergonomic" (anti-ergonomic?) it was. So, back to this model, I'm going.

This ugly, clunky white thing has allowed me to surf carpal-stress free for years. I might actually order more than one...

The only issue I have with it, is that it isn't coffee/soda/name-your-beverage spill proof...but I guess that's my own fault.

They should market and sell a cleaning kit with it as well. Sometimes the rollers get a little gunky, if you tend to eat a lot while you surf...quick-evaporating alcohol wet-knaps seem to do the trick.

Regardless of all the problems I've created for myself, this thing is a marvel of modern engineering. Once you get used to it, it's hard to go back. It's definitely allowed me pain free computer usage.
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4 of 4 people found the following review helpful:
5.0 out of 5 stars THE Best!, March 23, 2005
By FOX (USA) - See all my reviews
Once you use this trackball, you will NEVER go back to using mice, ever again!

No more lifting up the mouse, placing it down, then going up with it again to get to the top of the screen, just keep moving the ball and the unit and your hand STAY on your desk, no more lifting!

Do NOT use the software that comes with this for assigning features and such to the buttons, it causes programs and computer to crash all the time. Just install the DRIVER, if needed, but use the mouse adjustements in the CONTROL PANEL of windows for fine tuning, you don't NEED the software that comes with this, and not only do you not NEED it, it will CAUSE problems!

Several recording studios tried to use this great trackball with the Steinberg AUDIO CUBE, and said it did not work. I said hogwash, and installed and used this trackball on an AUDIO CUBE without problem, because I did NOT use the included software!

When I explained this to the other studios, they found they were able to use this trackball just fine without the software too, the software CAUSED the problems that would not let it work with that program or computer.

And the last thing you need is another program running in the background using up your computer's resources! Windows ALREADY HAS software for a mouse included on your computer NOW, so you are already set!

I have used this trackball at work, and have the same one at home, and used them for over 10 years and would never use anything else.

The BALL inside this is the exact size of a Pool (Billiards) Ball, so you can just lift the ball out with your hands, and drop in an 8-ball if you want.

You can draw, and trace out objects in photoshop with this that you can NOT do as well with a mouse.

For Digital Audio Workstations, or Photoshop / Graphics design, you MUST have this trackball, nothing else is acceptable.

The 4 switches are quality MICROSWITCHES that never wear out and give you that perfect tactile feel so you KNOW you are activating the switch. The same type of quality microswitches in arcade video games.

There really is NO trackball or mouse on the planet that even comes close to this one. This one IS THE best.
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Most Recent Customer Reviews

5.0 out of 5 stars love this mouse
Its a good product and it works great. I wouldnt go back to the regular mouse for anything. Love it loveit loveit.
Published 2 months ago by martyoforegon

5.0 out of 5 stars Well-built
I've had this mouse since early 2006, and I use it all the time. My wrists are in pretty bad shape, and a regular mouse makes them hurt in about half an hour; I can use the... Read more
Published 13 months ago by H. Brown

5.0 out of 5 stars Mice
An excellent product. I have used these mice for years and am completely satisfied with the quality and performance of the Expert Mouse.
Published on January 16, 2007 by James L. Lyons

5.0 out of 5 stars Excellent
I have used the Kensington Expert Mouse for years... only getting a new one to replace my completely worn-out one. Definitely well worth the money. Read more
Published on October 2, 2006 by John Hoagland

2.0 out of 5 stars not well made

This is a mechanical (not optical) trackball, and they made a critical design error: the rollers are metal, not rubber. Read more
Published on September 1, 2006 by a_bucket_of_shoes

1.0 out of 5 stars Laptop incompatibility
The mouse functions very well, however there is a dark side to the functionality. To configure all the buttons you must install mouseworks. Read more
Published on April 26, 2006 by Kurt Robohm

5.0 out of 5 stars Wonderful if you have carpal tunnel
I love this trackball. I have carpal tunnel and get pains up and down my arm if I use a mouse for any length of time. Read more
Published on February 15, 2006 by jeanbur

5.0 out of 5 stars The Rolls Royce of Trackballs
Having tried many, many different input devices in my quest for something truly acceptable, I took a giant retro step and bought the Kensington Expert Mouse. Read more
Published on August 26, 2005 by M. Ellner

5.0 out of 5 stars Track ball mousing rules!
Every computer in the office has one of these and we could never go back to a regular mouse.
Published on August 2, 2005 by David J. Secord

1.0 out of 5 stars Disappointed
I bought this mouse/trackball to try and relieve the pain in my fingers. Used it for almost two weeks without relief to my aching joints. Read more
Published on March 31, 2005 by Margaret Mitchell

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