Ergonomic Office Chair with 4D Adjustable Lumbar Support, Metal Base, Headrest & Armrests – Black Home Office Chair

🖤 Authmic Ergonomic Office Chair — Black Friday Limited Offer 🖤

Sit comfortably and work efficiently — start your productive day with the Authmic ergonomic office chair.
This premium office chair is designed for long hours of work or study, combining ergonomic technology and modern office aesthetics to give you true comfort and full-body support.

💺 Comprehensive Ergonomic Support

• Dynamic Lumbar Support System: Adjustable in four directions, the lumbar cushion perfectly fits your spine and supports your lower back during long working hours.
• Five-Zone Ergonomic Support: Provides full support for the neck, shoulders, back, waist, and hips, helping improve posture and reduce fatigue.
• S-Shaped Backrest Design: Conforms to the natural curve of the spine to relieve back pressure and maintain a healthy sitting position.

🌬️ Breathable & Comfortable for All-Day Office Use

• High-Density Foam Cushion: 3cm front-to-back and 6cm top-to-bottom padding for soft yet supportive comfort during long sitting hours.
• Mesh Backrest: Breathable and moisture-resistant, keeping you cool and fresh while working, gaming, or attending meetings.
• Durable PP Frame: Strong, stable, and built to last for years of office use.

🔄 Multi-Functional Adjustment for Every Office Scenario

• 90°–135° Adjustable Recline: Stay upright for focused work or recline to relax — perfect for both work and rest.
• Backrest Lock/Unlock Function: Easily lock the angle or recline freely with one pull of the lever.
• Tension Adjustment Knob: Adjust resistance according to your weight for personalized comfort.
• Seat Height Adjustment: Fits different desk heights and user preferences.

🛡️ Stable, Safe & Built to Last

• 6,000 Armrest Durability Cycles: Strong structure that remains stable even after heavy use.
• BIFMA-Certified Base: Supports up to 155 kg — reliable and solid for long-term office use.
• Explosion-Proof Gas Lift & Base: Dual safety system ensures long-lasting and secure performance.
• 360° Silent Casters: Smooth, quiet movement without damaging the floor or disturbing others.

⚡ Black Friday Exclusive Deals

• 🎁 Enjoy limited-time discounts — once a year only!
• 🚚 Free nationwide shipping and fast delivery for your convenience.
• 💳 Installment payment & free returns available — shop with peace of mind.
• ⏰ Limited stock — don’t miss your chance to upgrade your ergonomic office setup!

Authmic Office Chair — designed for professionals who value comfort, posture, and productivity.
Whether you’re working from home, in the office, or studying for hours, the Authmic ergonomic office chair provides the ideal balance of scientific support and luxurious comfort.