newtral magich003 high back ergonomic chair auto following backrest adjustable headrest seat depth adaptive lower back support 100 300 lbs height capacityFeatures: 1. Ergonomic Lumbar Support: Designed to match the natural curvature of your spine, this chair provides essential support to your lumbar region, significantly reducing pressure during prolonged sitting periods. 2. Adjustable 2D Headrest: With 5. 15" height adjustment and a 30 rotation angle, the headrest can be positioned precisely to support your neck and head, enhancing comfort and reducing strain. 3. Versatile Recline Angles: Choose from