In addition to the rotatable feature, the frame of the chair can also be raised and lowered. You can adjust it according to the height of the desk and your own height, so that you can have the most comfortable sitting posture in the office. In addition, this chair has a 135-degree ultra-large angle recliner design, an adjustable headrest and a breathable and highly elastic mesh cushion design, which can meet your requirements for lying down in the office when you are tired.