The Fit-U mouse from Rainbow is the first mouse I’ve seen that has the ability to change from large to medium size by replacing the top cover. The covers are available in different colors and the mouse is switchable from 800, 1600 DPI. The Fit-U is offered in wired and wireless versions and is currently available through Amazon in the UK. It will soon be available here in the US and I’ll have a review posted shortly.
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