Specs are quantitative aspects of the option such as the price
Pros
Pro
You can adjust it perfectly for your body type
To make this chair as comfortable as possible for your individual body type, you can adjust nearly everything: the height, the tilt of the back, the height and the angle of the armrests.
You will have a good posture sitting in this chair
You will naturally maintain a proper posture in this chair: It has an ergonomic shape, comfortable, yet stiff padding that doesn't let you lean to the sides, a high backrest, as well as neck and lumbar cushions.