Office chairs have the following features: Firstly, they are highly comfortable, ensuring that users remain comfortable even during long hours of work. Secondly, they offer strong support, providing excellent spinal support. Thirdly, they have diverse functions, such as adjustable height, backrest, and armrests, which can cater to the needs of different users. Lastly, they have an exquisite appearance and can enhance the overall ambiance of the workplace.