The complete tour of the Forbidden City costs 250 yuan, about how much time does it take?

I saw the introduction in the Forbidden City that the entire tour costs 250 yuan. I would like to ask if there is a time limit for the tour? How long does the entire lecture take?
Hello, you can read the explanation of “Xiu Cai Shuo” 128/person. The duration is 3.5 hours. Search Xiucai Shuo and a professional and in-depth explanation team will take you to visit the Forbidden City.
Hello, you can read the explanation of “Xiu Cai Shuo” 128/person. The duration is 3.5 hours. Search Xiucai Shuo and a professional and in-depth explanation team will take you to visit the Forbidden City.