Giantex Ergonomic Desk Chair with 3D Headrest for Home OfficeAdjust the 87 100 reclining backrest and ergonomic armrests to find your perfect working position. The adjustable headrest allows for free adjustment up and down, back and front, while offering 65 rotating angle, ensuring multi angle support to reduce the neck fatigue. The customized lumbar support ensures the lower back can be properly aligned and supported. The gaming chairs waterfall seat ensures lasting comfort with its breathable mesh fabric and