In addition, it has in a number of Wacom with Touch Control buttons can be assigned to quick functions. In addition, there are small displays, which can be labeled on PC / Mac and the application may be different - so you can always see what now has the button just for a function.
In addition, there are still different at Wacom pen tips that change again the softness and reaction of the pin. So you can select top that suits the operation. Also the pin has 2 more keys, for example, can be freely assigned with the right mouse button.
The size M in combination with the wireless feature makes it an ideal mobile companion (eg for 15 "MacBookPro) and also leaves a mobile work very well. For stationary use, for example, with 2 screens my M would be too small and I would be a "L" recommended.