The milk frother is to use pretty much the simplest thing you can imagine. Milk Filling (variable amount is indicated at the frother => no measuring cup, etc. necessary), press switch and you're done. The device heats the milk by itself to the proper foaming temperature and they simultaneously. After about 2 minutes everything is already done and the milk froth can be removed. The cleaning of the device (no burning when you leave the room and forget the milk frother) due to the coating and the automatic temperature control a breeze. The small spiral refer, container and spiral under running water rinse and clean is it. And for those like to lose a small part in the delivery a second spiral is included. At least once, you can relocate them so without hesitation.
The Miclhschaum is excellent result! He is firm and retains its strength, so that you can spoon the foam.
With all the positive aspects, however, "only" 4 stars? Yes, because a two little things there that could be done better!
If you press the switch of the appliance (in the unplugged state), this is automatically activated. Whether you have to leave then go through it again or not, I can not answer. I had always splashing milk and did not want to shut down before it :)
There remain still milk residues which are not to foam. The amount varies, depending on the amount of milk used. (It is in my view no relevant deficiency, and it does not bother me, but this information for one or the other could possibly be decisive.)
Conclusion: For the price you will receive an excellent device to make milk foam! I highly recommend it. Especially if you like to eat and lots of milk foam.