The studio is an amazing launchpad for Paris. You're on a vibrant but relatively quiet street, close to the 1 line of the Metro, and within easy walking distance of the river and great shops and restaurants in the Marais. You can even see Notre Dame and the Pompidou from the window! The space is cute as a button and—while small—very smartly laid out. It has thoughtful touches everywhere (shower caps, Q-tips, wrinkle release spray, stain remover, guidebooks, spare umbrellas...), The washer/dryer is clutch and there's plenty of storage space to tuck your belongings away when you're not using them. Check-in and check-out were easy and communication with Sylvie's team was fast and easy. Great for a solo traveler or couple who's used to a smaller footprint of city living.
One note: the Dyson fan is not the air conditioning Hot+Cool fan but just their regular (albeit nice) fan. Even during our trip in mid-August, the city usually cools down significantly at night and stays pretty temperate, so it was definitely sufficient for our stay, but I could see how during a heat wave, it may not be enough.