Title: NOT laser. OLD ROLLER BALL type.
Review: Warning. This is not a laser type mouse. It is the old roller ball type, common in the 90's. Considering that this technology cease to be the standard long long time ago, it should be clearly mentioned in the title and description of the product, but it was not (as of today). It is, of course, a good original Microsoft product but intentionally or not, a key information was withheld.
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