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Review title: not all that it could be
Product review: The first mouse I received was simply defective, and needed replacing, which Kensington did after half a dozen email exchanges. The mouse was erratic from the start, would not stay on, and eventually would not go on at all. The replacement mouse is problem-free, and perfectly adequate, thus enabling a comparison between it and Apple's wireless "mighty mouse". The most obvious difference is in the action of the scroll wheel, which on the Kensington mouse is ratchet-like and clunky. The scroll wheel on the Apple mouse, in contrast, is a tiny little ball that operates as smooth as silk.
