1. In the case you can see every speck of dust and flour also hangs like firmly into the Lüfungsschlitzen, also you can see every water stain.
2. It is my most loudest instrument.
3. Has the slowest stage just too much power ... for example: If you hit several cup cream until stiff, the cream initially really splashes in all directions (very beautiful at the ceiling slants on my desktop). It is annoying that you can not stir slowly (eg even if you want to beat butter and sugar until fluffy).
I would not buy the blender again.