Bergere's place has a fantastic location, right next to the boulevard Saint-Germain, which has many cafes, restaurants and stylish shops to explore. The world famous Notre Dame cathedral is only a 10 minute walk, wheras the Louvre and Musee d'Orsay can be reached in about 40 mins. The apartment is also very close to a number of Metro stops that will allow you to reach any corner of Paris.
The apartment itself is very compact and includes all amenities that you might need for a 3-4 day stay. It is situated on the top floor of the bulding, which means the roofs are slanted, so might not be ideal for very tall people. The view that comes with this is very impressive though, you can even see the tip of the Eiffel Tower from the window.