This ergonomic computer desk chair features an adjustable lumbar support and headrest for maximum comfort. Plus, the chair's height can be adjusted to suit different activities and users. In addition, the 90°--105° rocking mode and flexible motion allow for better relaxation as well as easy mobility. Furthermore, the flip-up armrest design saves space, while the premium mesh and sturdy base provide durability and support. Whether working or resting, this office chair provides a comfortable and customizable seating experience. More well-designed product details are waiting for your exploration. Adjustable Lumbar and Headrest: This office chair is equipped with ergonomic lumbar support with 3cm height adjustment to provide great support to your shoulder, back and waist. Meanwhile, the headrest can be vertically adjusted up and down for 4.5cm, and the angle can also be rotated 60° to relieve neck pressure. Rocking Mode and Height Adjustment: Rocking from 90 to 105 degrees, this task chair...