This mouse fits comfortably in your hand and feels more stable than its predecessor VX Nano. However, in the configuration software, many key functions are locked, which can be adjusted in older Logitech mice (See, for example, Desktop, Everything minimize etc.). That's really my only criticism - and here equal to the solution: The program "uberOptions.net". This SetPoint will be expanded to many options and all keyboard shortcuts enabled, but this goes with English-handed. So if you are unsatisfied with SetPoint - just try it. So I can actually no longer complain about the mouse: o)