<ul><li data-section-id="10c85kn" data-start="332" data-end="431">Second Spine Adaptive Back Support System – dynamic structure that follows body movement</li><li data-section-id="8al8mv" data-start="432" data-end="525">Breathable Mesh Design – full airflow backrest for heat reduction during long use</li><li data-section-id="6yfc9h" data-start="526" data-end="612">Ergonomic High-Back Design – supports neck, spine, and lower back alignment</li><li data-section-id="rljbks" data-start="613" data-end="707">Dynamic Adaptive Support Mechanism – automatically adjusts tension based on posture</li><li data-section-id="liybwi" data-start="708" data-end="794">3D Adjustable Headrest – large head support with multi-direction adjustment</li><li data-section-id="2fes4r" data-start="795" data-end="881">3D Hyperrotation Armrests – wide movement range for gaming &amp; office posture</li><li data-section-id="121j8ox" data-start="882" data-end="958">Adjustable Seat Depth – fine-tune sitting position for ergonomics</li><li data-section-id="1c8rp9j" data-start="959" data-end="1041">Tilt &amp; Recline System – smooth reclining for rest and working positions</li><li data-section-id="1cfx8lc" data-start="1042" data-end="1129">Integrated Lumbar Support System – built-in support (no loose pillow design)</li><li data-section-id="qu9s1e" data-start="1130" data-end="1207">Heavy-Duty Frame Construction – durable internal support structure</li><li data-section-id="bss3d2" data-start="1208" data-end="1273">High-Density Cushioning – long-lasting seating comfort</li><li data-section-id="sokqyb" data-start="1274" data-end="1351">Silent Mobility Casters – smooth rolling wheels for quiet movement</li><li data-section-id="nq9byw" data-start="1352" data-end="1427">Designed for prolonged gaming, office work, and posture correction</li></ul>