Ergonomic Full Support: Enjoy comprehensive ergonomic design that supports your head, back, hips, and arms, featuring built-in lumbar support and adjustable seat height, headrest, recline, and flip-up armrests for a perfect fit for users 5'5""-6'2"".Breathable Comfort: Soft, skin-friendly mesh seat with high-density 3-inch foam cushion ensures lasting comfort and airflow, supporting up to 350 lbs for various body types.Space-Saving Arms: Flip-up armrests allow easy sliding under desks to save space, while providing reliable forearm support when lowered, ideal for home offices, dorms, and game rooms.Adjustable Headrest and Recline: Padded headrest adjusts in height and angle (90degree(s)-137degree(s)), and backrest reclines from 90degree(s) to 120degree(s), enabling personalized neck support and comfortable positions for work or naps.Stable and Smooth Mobility: Five-point metal base offers stabi