This ergonomic office chair is designed for professionals, students, and gamers who spend long hours at a desk. It features 3D adjustable lumbar support to reduce spinal pressure, a backrest that tilts up to 135° for personalized comfort, and 4D adjustable armrests to accommodate various sitting postures. The full-body mesh design ensures breathability and comfort, while the durable aluminum alloy base with a 5-point design supports up to 330 lbs. The chair has passed BIFMA testing and a 1136kg static pressure test for stability, and it assembles easily for use in office, home, or gaming setups.