Location is very good, close to Hoan Kiem lake. There is a supermarket nearby. Free wifi & breakfast.
Room & bathroom are very old. Even the whole hotel looks very very old.
I don't think you would want to stay here if you can't speak Vietnamese. I wouldn't say the staff are helpful. Anyway, alright for the price.
Btw, if you don't have Vietnamese passport, you will have to pay extra.