Dan's Data heeft een vergelijking van de Logitech Cordless Wheel en A4 Tech Cable-Free 4D mouse in elkaar geknutseld. Hier een stukje over de Cordless Wheel, die me interessanter lijkt dan de totaal onbekende A4 Tech muis:
The Logitech mouse also feels a bit bulbous around the rump, because of its top-mounted batteries. It's not peculiar enough that I think anyone would find it uncomfortable, but it's not as generically lovable as the vanilla cabled Logitech First Mouse + , which is a lovely slimline unit that fits pretty much all hand sizes perfectly. The cordless mouse is still perfectly symmetrical, though; left-handed users will have no problems.The radio range of the Logitech mouse is good - at least six feet, and probably more, depending on how much RF noise there is in the vicinity, and on the receiver location and orientation, and the usual voodoo RF propagation oddities. You should be able to use this mouse from the couch and control a computer feeding its output to a TV with no trouble at all.
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