A perfect mouse for gamers with its soft keys and also a very good idea for software and music photo, recording the mouse shortcuts on its 12 keys (24 G with the click). Comfort is assured with a quality non-slip coating and by a cable of suitable length. The software provided by Logitech could not be more complete, for setting each key, sensitivity and backlight keys while providing for the players pre-defined profiles for each game. The only downside that prevents me from giving it 5 star is the lack of choice on the scroll wheel which can pass freely or notched as on most high game brand mouse. But it is certainly one of the best mice currently on sale.