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I certainly hope it has improved tremendously as mine had to be tossed because the ball wasn't even precise enough to point the cursor exactly where you needed it. I bought this mouse several years ago for about $15, but now it's $88.
The quick scroll feature is great for fast previewing large documents/files.great job. I needed to use my left hand for mouse work because of some damage I had done to my right shoulder. having this type of mouse allowed me to relax my shoulders completely.It took a while to get proficient with it.but that wasn't very long.a few days of practice.
Unfortunately, poor build quality and unprogrammable buttons earned this device a spot in my junk drawer. I purchased this mouse because my wrist sometimes bothers me. It's a great concept.
(Shame). It makes a notbook much easier to use while sitting in a recliner. Sure is nice, though. I've used a Fellowes trackball for years. It is a great alternative to the mouse, since you hold the pointing device in your hand.
Overall, I'd vote this as a waste of 20 bucks. The trackball kept popping out of place so that it couldn't be sensed when it moved, the left mouse button didn't work, and neither did the loop-finger button. I bought this a little over a month ago, along with the finger-mouse, and discovered that this particular mouse isn't all that functional. I tried working on configuring it, but nothing got it to work all the way.
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