This Bed&Breakfast is one of the best I have ever tried.
Your host (Alessandro) take care of you, providing you address of cheaper and quality restaurants and snack close to the apartment to take lunch or dinner, and the way to go to the best places in Roma (monuments, neighborhood to lunch or to party) : he gave us a map highlighting each place, and suggested us a tour.
The apartment is modern, renovated and convenient (exactly as the picture), with a great view on San Giovanni church, and very well situated --> close to the metro (5/10 min), Termini station (2 metro station) and Colosseum (15 min walks).
The breakfast (from 8 to 10 am) is delicious. A waiter was there to prepare and take care of you during your coffee time.
A small thing but very enjoyable : after the check out, Alessandro gave us a key to leave our stuff on the B&B before to take our train on the evening.
We will come back for sure.