Perfect gaming mouse with slight weaknesses with regard to the radio link.

A really great mouse, had been some Logitech gaming mice, but this is so far the best! The ergonomics are excellent and the optical sensor is serving on an appropriate mouse pad more than perfect. Only the radio connection is not the best when the batteries are not quite full and the receiver to the back of the PC without extension (the Logitech but ascribes free) is used. Have the small nano receiver now plugged into a front USB port and everything is perfect. The Logitech Gaming Software is very intuitive and it can be adjusted much. Unfortunately, the software sometimes forgets to switch to when you start a game and the key assignment that was created for a game will not be activated (usually comes only in Map-change in BF4 ago). Briefly minimize the game, open Logitech software and everything works again.