In gaming mode (Hi) it was brilliantly fast bettering a Steel Series corded mouse in critical areas such as precision and response. In office use (Lo) is was great – no mouse mat required even on glass – and programmable buttons allow you to assign apps to them.

Onboard memory records the parameters for further use. LGS allows configuration of macros, sequences of clicks and keystrokes to simplify in-game actions and quickly execute complex tasks. The six programmable buttons including on-the-fly DPI shifting through up to five sensitivity settings. While the mouse design favours right-handed use, it is very comfortable for a leftie too. It also allows for better energy management – 500 hours of non-stop gaming (Hi mode) or up to 1400 hours business use (Lo mode) on two AA batteries. Put another way it is ten times more sensitive than your average laser mouse. It is approximately three times more efficient and four times faster than a comparable optical sensor. It will flawlessly track at up to 408.9 inches per second and 40G acceleration. In short, it uses IR LED technology via two focused lenses to deliver accurate and consistent performance across the entire DPI range, with zero smoothing, filtering or pixel rounding from 200 to 12,000 DPI.

The days of dirty mouse balls, overly sensitive laser sensors and recently better optical sensors are now outclassed by Logitech’s new 4th generation Hero Sensor. I venture that they are not only technically brilliant but offer more flexibility than the corded variety. Logitech G series Lightspeed G603 mouse and G613 keyboard thoroughly dispel the myth that wireless input devices are too slow for gaming. Logitech G series is for serious gamers and others, like me, who understand that gaming technology, especially mechanical key switches and Hero optical mice sensors, can add a new productivity dimension to office work too.

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