@michalb Yes, I put new right button switches into my 2 M570 as well. It's the Logitech mouse of my wife, which awaits replacements now.
@michalb Oh, I forgot. I wanted to ask, what those better switches are? I just went to Ebay and found switches identically named and ordered them. Could of cause be knock-offs.
@chairraver I had to find invoice for them :) I bought D2F-T, they are louder but they work for 3 years and I had no problems with them. I don't know since when they started to put such poor switches, I had a Trackman Marble and it last for a long time until the roll broke. I bought M570 then and surprise :)
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