The apartment is in a nice neighborhood with lots of restaurants. It is well communicated (1min to subway and to tram).
The room is big (including a sofa) and sunny. Bed comfortable. Biggest problem was no blinds in the windows (but most apartments in Germany don't have them) and a busy street (but good windows, once closed we didn't hear anything).
Kitchen is nice and has a lot of light with a big windows facing the backyard. Everything was clean and we could use salt, spices and so on. There is also a good coffee machine.
The hosts have available a list of recommendations and a city guide that can be useful.
We recommend it.