Benefits:
- Pleasant (for me) form
- Works on most surfaces (except glass)
- Very easy gängigs 4-way scroll wheel (ie the wheel is pressed with the index finger to the left, "back" command "forward" command is executed, pushed to the right, scrolling in front and to the rear served as usual, the vertical scroll bar)
- Mini-Universal receiver handy, especially on notebook
- Successful design
Disadvantages:
- Freedom of movement of the mouse wheel can be annoying when working with the mouse (eg in Excel), at least it used to. Hardly snapping when scrolling felt.
