Introduction
Thank you for choosing the HUANUO Ergonomic Mesh Office Chair, Model HNOC11-US. This manual provides detailed instructions for the assembly, operation, and maintenance of your new office chair. Designed for comfort and support, this chair features a breathable mesh, 5-level adjustable lumbar support, adjustable headrest, and adjustable armrests to enhance your working or gaming experience.
Safety Information
WARNING:
This product is intended for adult use only, with a maximum weight recommendation of 300 pounds. Improper use of adjustable lumbar and headrest support, rocking tilt mechanism, or swivel functionality may pose potential hazards. Always follow the assembly instructions and guidelines for safe operation. Ensure all components are securely fastened before use.
Product Overview & Dimensions
The HUANUO Ergonomic Mesh Office Chair is designed to provide comprehensive support and comfort. Below is a visual representation of the chair and its key dimensions.

Front view of the HUANUO Ergonomic Mesh Office Chair, showcasing its grey mesh design and adjustable components.

Detailed product dimensions, including seat depth (19.2"), seat length (18.7"), backrest width (18.3"), and overall height (up to 63.4"). Maximum load capacity is 300 lbs.
Setup & Assembly
Assembling your HUANUO office chair is a straightforward process. A detailed instruction manual and a labeled hardware kit are included with your purchase. Please follow the step-by-step guide provided in the physical manual for proper assembly. Ensure all screws and components are tightened securely before using the chair.
Operating Instructions
1. 5-Level Adjustable Lumbar Support
The chair features an innovative 5-level lumbar support system with a 2.75-inch adjustment range. This allows you to customize the support to your lower back, reducing spinal pressure during long sitting periods.

Illustration of the 5-level lumbar support adjustment, showing the 2.75-inch range for personalized comfort.
2. Breathable Mesh Design
The chair is constructed with premium mesh material for both the backrest and seat. This design promotes airflow, keeping you cool and comfortable, especially during extended use. The mesh is also wear-resistant and easy to clean.

Visual representation of airflow through the full breathable mesh, highlighting its cooling and wear-resistant properties.
3. 2D Adjustable Headrest
The headrest offers 2D adjustability, allowing for both height adjustment (up to 3.93 inches) and a 45-degree tilt. This ensures effective support for your head and neck, accommodating users between 5'1'' and 6'3''.

Demonstration of the 2D adjustable headrest, showing vertical and tilt adjustments for personalized neck support.
4. Reclining Tilt Function (90°-135°)
The chair features a rocking tilt mechanism with a reclining range of 90 to 135 degrees. It offers three different lock positions, allowing you to switch between upright working, relaxed resting, and fully reclined positions.

Diagram illustrating the 90°, 110°, and 135° recline positions, suitable for various activities from working to relaxing.
5. Adjustable Armrests
The armrests are adjustable in height, with a 3.15-inch range, to provide optimal support for your arms and shoulders, reducing strain during typing or gaming.
6. Seat Height Adjustment
Adjust the seat height by using the lever located under the seat. This allows you to find the perfect ergonomic position relative to your desk, with a 3.2-inch adjustable range.
7. Swivel Function
The chair is equipped with 360° swivel casters and a durable steel base, allowing for smooth and effortless movement around your workspace.
Maintenance
To maintain the longevity and appearance of your HUANUO office chair, follow these simple care instructions:
- Cleaning: The mesh material is easy to clean. For general cleaning, wipe with a damp cloth. For deeper cleaning, dry clean as per product care instructions.
- Inspection: Periodically check all screws and connections to ensure they remain tight. Re-tighten if necessary.
- Avoid Harsh Chemicals: Do not use abrasive cleaners or harsh chemicals on any part of the chair, as this may damage the materials.
Troubleshooting
If you encounter any issues with your HUANUO Ergonomic Mesh Office Chair that are not covered in this manual, please refer to the warranty and support section for contact information. Our U.S.-based product support team is available to assist you with any questions regarding assembly or product functionality.
Specifications
| Feature | Detail |
|---|---|
| Brand | HUANUO |
| Model Name | HNOC11-US |
| Color | Grey |
| Product Dimensions | 19.2"D x 28.2"W x 63.4"H |
| Maximum Weight Recommendation | 300 Pounds |
| Material | Mesh |
| Special Features | Adjustable Headrest, Adjustable Lumbar, Ergonomic, Mesh |
| Reclining Position Count | >1 (90°-135°) |
| Arm Style | Recessed, Adjustable Height (3.15") |
| Seat Height Adjustment | 3.2 Inches |
| Product Care Instructions | Dry Clean |
Warranty & Support
This HUANUO office chair comes with a 5-year warranty. For any questions regarding assembly, product selection, or to address any concerns, please contact our U.S.-based product support team. Refer to the contact information provided in your product packaging or on the official HUANUO website for assistance.