For this device I can only say, stay away. My copy does not even have even rudimentary crushed only a single coffee bean. It may be that I got an already reklamiertes device. (The box looked anyway then off). Also you get when you press the dial some hearing. Vacuums are against truly whisper quiet. If you're thinking that the little engine just pulls power, you think wrong. The beans were shooting and also did not turn in the container, but more. No one crumb coffee appeared. Stopped machine, grinder cleaned (what actually?), Beans in again - nothing. Wrapped machine and back.