O1 Ergo Plus 743 is a premium ergonomic office chair featuring a self-adaptive lumbar support system, a synchronized tilt mechanism, and a 6D adjustable headrest, designed for all-day comfort and productivity.
Key Ergonomic Features
- Self-Adaptive Lumbar Support — The backrest automatically adjusts to the natural curve of your spine, providing continuous lower back support as you move throughout the day.
- Synchronized Tilt Mechanism — The seat and backrest move in a coordinated 1:2.5 ratio, with automatic resistance adjustment based on your body weight for a smooth, balanced recline.
- 6D Adjustable Headrest — Offers height, angle, depth, rotation, forward/backward, and side-to-side adjustments to perfectly support your neck and head in any sitting position.
- 4D Adjustable Armrests — Adjustable in height, width, depth, and rotation angle, allowing you to find the ideal arm position for typing, reading, or relaxing.
- Adjustable Seat Depth — Slide the seat pan forward or backward to match your thigh length, ensuring proper circulation and pressure distribution.
- Tilt Lock & Tension Control — Lock the chair at your preferred recline angle or adjust the tension to suit your weight and movement preference.
Premium Build & Materials
- High-Tensile Nylon Mesh Backrest — Breathable, durable, and provides optimal airflow to keep you cool during long work sessions.
- High-Density Molded Foam Seat Cushion — Thick, resilient foam that maintains its shape over time, offering firm yet comfortable support.
- Class 4 Gas Lift Cylinder — Certified for durability and smooth height adjustment, supporting users up to 300 lbs.
- Sturdy Aluminum Alloy Base — Polished aluminum base with a 360° swivel and smooth-rolling casters suitable for both carpet and hard floors.
- Weight Capacity: Up to 300 lbs
Adjustability Range
- Seat Height: 17.7" – 20.9"
- Seat Depth: 17.7" – 20.1"
- Backrest Height: 22.8"
- Headrest Height: 20.5" – 25.6"
- Armrest Adjustment: 4D (height, width, depth, rotation)
Assembly & Warranty
- Easy Assembly — Comes with clear instructions and all necessary tools; most users can assemble in 15–20 minutes.
- Warranty — 12-year warranty on the frame, 5-year warranty on mechanisms, 3-year warranty on upholstery and foam.
- Customer Support — 24/7 responsive customer service team ready to assist with any questions or issues.
