As a person (and digital nomad) that has been traveling for over a year and staying in lots of Airbnbs, I can say that Danilo and Bianca's apartment in Copacabana is absolutely amazing and has everything you need for a great, great stay.
Excellent location (walkable and close to the beach and a metro station)
Comfortable furniture
Extremely well-stocked kitchen
Fast wifi
Responsive and friendly response from the hosts
I highly recommend staying in this Airbnb if you're looking for a wonderful place to stay :)