4-Way Adaptive Lumbar Support: New sophisticated internal lumbar support system. In and out, up and down, preciously controlled by 2 sides knobs, that to provide the right amount of firmness or pressure to your back in your desired posture. The built-in lumbar support feels much more natural since it feels like a part of the chair rather than a separate pillow with strap or hard to adjust. Features: Magnetic Head Pillow: Meet our latest design of the magnetic memory foam neck pillow. Toss away the extra straps for neck support. With our versatile magnetic design, all you have to do is clip it on and move it to your desired position. The extra soft pillow will maintain a cool temperature for comfort while supporting the spine's natural curvature MagSwapTM Technology: Full-Metal 4D Armrests with MagSwapTM Technology. Premium armrest tops magnetically snaps on panels. Smooth, precise adjustments in four directions plus armrests width can be adapted. Comfortably conforms to your wrists and