The SIHOO M57 ergonomic office chair is engineered for extended desk work, offering comprehensive adjustability for personalized comfort. It features an adjustable headrest, lumbar support with height and depth controls, and 3D armrests. This chair supports tilt functions from 90° to 126° and provides a 3.15-inch lift for various desk heights.

• Adjustable Lumbar Support: Bracket with independent height and depth adjustments.
• 3D Armrests: Customize position for optimal arm and shoulder support.
• Tilt Functionality: Backrest reclines from 90° to 126° with lock.
• Smooth Height Adjustment: Gas lift provides 3.15 inches of vertical travel.
• Stable Aluminum Base: Equipped with silent casters for easy movement.
• Waterfall Arc Seating: Designed to alleviate pressure on the legs.
• Three-Year Warranty: Covers quality issues with zero-profit accessory replacements.

Ideal for professionals, students, and anyone spending long hours at a desk, this chair is designed to support a healthy posture. Its ergonomic features make it suitable for a home office, corporate setting, or a gaming setup where comfort and adjustability are key.

Constructed with a durable double back frame and a stable aluminum base, this chair is built for longevity. Its design aligns with the human spine to reduce pressure, recommended by the Ergonomics Application Association.