Adjustable Lumbar Support: This ergonomic office chair is designed to align with the natural curve of your spine. It features a 2.4 height-adjustable range, offering targeted relief for the lower back. The soft, enhanced lumbar pad helps ease tension and alleviate fatigue. Flexible Headrest & Armrests: This ergonomic Gaming office chair features a 2D adjustable headrest with 45° tilt and 2.8 height adjustment to cradle your neck comfortably. The height-adjustable armrests promote proper arm positioning, supporting a more comfortable sitting posture. Enhanced Relaxation: With a wide 90°-130° tilt range, this ergonomic office chair lets you adjust to the ideal angle for both work and relaxation. Elevate your workspace with this ergonomic Gaming chair, designed for optimal comfort and enhanced productivity. This ergonomic office chair adjustable range is specially optimized for users up to 5'11" (180cm), allowing you to find the perfect sitting position. Soft & Thick Seat