I have always loved this particular mouse. They don't sell them in the office supply stores in the wired form anymore hence my e-bay purchase. This particular unit hiccups occasionally. I've cleaned it however it has not helped whatsoever. The style of the mouse fits my hand perfectly. Extended periods of use do not cause fatigue. The trackball is operated with the thumb rather than a finger which makes it preferable. The wire means no batteries to be replaced every three to four weeks. The wire also means if the cat decides to play with the mouse... it can still be easily located by following the wire. It's definitely the right mouse for me in my situation. I'll never go back to the status quo while I can still find this mouse somewhere.
Verified purchase: Yes | Condition: Pre-owned
it is really a shame that this mouse has been discontinued. the blue track ball of the new wireless version is not nearly as durable, and the tracking sensitivity and accuracy degrades with time. despite the fact that this red ball version is so old, the tracking still works great. and no, i'm certain its not dust/residue interfering with the blue ball tracking because i clean all my track ball mice frequently.
Verified purchase: Yes | Condition: Pre-owned
Purchased one of these when first put on market, still using it now. I would have a hard time using anything else , it is just the best. Bought second one for my other work station, Happy I now have a backup.
Verified purchase: Yes | Condition: Pre-owned
Great response time. Order to delivery was technically 48 hrs. Must have a wired mouse for work. My previous Logitech trackball was 19yrs old and died Monday afternoon. So happy with this replacement. Exactly as described and is working great! Thank you for the quick turn-around!!
Verified purchase: Yes | Condition: Pre-owned
You can't find a better ergonomics: all your arm is at rest, only fingers have to move. It's all the more healthy that there's no exposure to electromagnetic radiation. Unfortunately Logitech is not selling it anymore. Probably because it has to be wired and this is definitely not fashionable.
Verified purchase: Yes | Condition: Pre-owned
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