Ask dedicated gamers why they prefer wired mice over wireless and you'll hear two familiar refrains: even a little wireless lag can be unacceptably high, and it's no fun to plug in or swap batteries mid-match. Logitech may have found a way to kill both birds with one stone. It's introducing a pair of technologies, Lightspeed and Powerplay, that theoretically make wireless gaming mice practical even if you depend on pinpoint accuracy. Lightspeed uses "end-to-end signal optimization" to cut latency down to a single millisecond, while the Powerplay system (above) relies on magnetic resonance to continuously charge your mouse. In short, it should perform about as well as a wired mouse without that pesky cord getting in the way.
Source: Logitech (1), (2)
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