Pros first
(+) location is great, it's central and close to metro station
(+) good wifi signal in the entire flat
(+) opportunity to meet new and interesting people
(+) Mirror in the room
(+) washing machine and dryer available
(+) room has a window => daylight
(+) check in was very smooth
(+) ventilating fan available
(+) two bathrooms available
Cons second
(-) the pictures are accurate but do not transport that you will live in - 1st floor, meaning your head head is next to the pavement when you stand upright and if you open the window you will see the feet of people crossing by. Vice versa everyone can see right into your room / bed when the window is open.
(-) as the window is right next to the street (same level) you will be exposed to all environmental influences (cigarettes smoke, noise)
(-) Door lock of the room was broken so it would lock itself accidentally, meaning you must carry the key always with you to be able to enter the room again
(-) the room was clean in general, but there was mould in one of the showers and the bathroom were not too clean due to the high number of people using it
In general the stay was good, I recommend to come here if nothing else is free. But 40 euros per night was a bit too expensive compared to the very low standards you will find here.