Experience a customized seating journey with adjustable features for armrest height, seat height, headrest angle, and lumbar support position. Crafted for enduring comfort, the seat cushion boasts thick, high-density foam, covered with a highly elastic soft mesh for breathability and durability during extended periods of use. The industrial aluminum base ensures robust weight-bearing capacity, while the 360 swiveling nylon wheels offer seamless and silent movement on hard floors.The rocking function allows a smooth tilt between 90 to 120 degrees. Perfect for both office and relaxation spaces, the 3-stage backrest effortlessly conforms to the natural curvature of your neck, back, and waist. The dynamic lumbar support operates independently, adapting to pressure variations through a built-in spring mechanism for optimal comfort in any seated position.Ergonomic chair, meticulously designed to provide comprehensive support with its 4-point system focusing on the neck, shoulders, back, and waist. This versatile chair offers customizable adjustments, allowing you to tailor the seat height, headrest, and armrests to accommodate individual preferences.