+ Weight
+ Perfect grip especially for a big hand.
+ USB wrapped wire. The copper-plated connectors.
+ Software provides well for well set the mouse, profile management.
+ The look, the colors!
+ Right click.
+ Once programmed mouse is autonomous.
+ Excellent sensor
- First mice received defective.
- The wheel hard enough
- Usb cable a little too rigid
- A button is configurable (it remains in Auto shooting)
Not perfect, but not bad!