Excellent location, can't beat it. It's right next to the Louvre, a block from the seine, surrounded by multiple lines of metro stations and also next to Les Halles and Montorgueil which offers a lot of options for eating out, lots. The bedroom is comfortable, dark and quiet for good sleeping. Supermarket and eateries around the corner as well.
I stayed here for a week and found the apartment really quiet and convenient. For a remote worker it might not be the best as the internet can drop in some calls and the lack of a proper airflow and open windows can make a difference for someone spending long hours there, but it's still comfortable for casual travelers.
Host communication was excellent.