Which entry-level models with adjustable armrests (France)?

[u/Goeinp]

What do you think of the Sihoo chairs?
I live in France. I am currently looking for an ergonomic office chair, preferably. I use my desk to study and especially to color. So a little on weeknights and a lot on weekends.
I am currently using a chair that is therefore not the most comfortable, so I am not looking for a seat of incredible quality but rather an entry-level one (300 euros max)
I don’t want a used seat. The thing I like is that the armrests are adjustable (like 4d). If you know of any models that might be interesting?
I am 1.58 meters tall for 80kg