The place is located not far from SMN train station and Florence tourist centre (about 20-25 min on foot).
The room we stayed in is really large and has a fan. The window faces a really busy street though, so it can get noisy.
The place has a patio where you can have breakfast (and any other meal).
You can use the kitchen freely. There is no microwave oven, but there is an oven.
The hosts speak English very well.
There was no hot water for the duration of our stay (the boiler was broken, we were staying for a weekend and it wasn't getting fixed until Monday), but the host made a discount, so we consider this issue resolved.
Overall this is a good place to stay in for a couple of days.