Important Safety Information
Please read all instructions carefully before assembly and use. Keep this manual for future reference.
- Do not exceed the maximum weight capacity of 300 lbs (136 kg).
- Ensure the chair is fully assembled and all components are securely fastened before use.
- Use the chair on a flat, stable surface to prevent tipping.
- Keep hands and fingers clear of moving parts during adjustment.
Assembly Instructions
The DEVAISE Ergonomic Mesh Office Chair is designed for quick assembly, typically within 20 minutes. Detailed step-by-step instructions are included in the packaging. Ensure all parts are present before beginning assembly.
For visual guidance, refer to the general product image below which illustrates the fully assembled chair.

Figure 1: Fully assembled DEVAISE Ergonomic Mesh Office Chair.
Operating Instructions
This section details the various adjustable features of your DEVAISE office chair to optimize your comfort and support.
1. Adjustable 3D Headrest
The headrest can be adjusted in multiple dimensions to provide optimal neck and head support.
- Height Adjustment: Pull the headrest up or push it down to your desired height. It can be raised and lowered to accommodate different user heights.
- Angle Adjustment: Tilt the headrest forward or backward to find the most comfortable angle for your neck.
- Depth Adjustment: The headrest can also be moved forward and backward to ensure proper alignment with your head.

Figure 2: Headrest adjustment capabilities.
2. Lumbar Support Adjustment
The adjustable lumbar support helps maintain the natural curve of your spine, reducing lower back strain.
- Height Adjustment: Locate the lumbar support mechanism on the backrest. Adjust it up or down to align with the curve of your lower back.
- Depth Adjustment: The lumbar support can also be adjusted for depth to provide more or less pressure against your back.

Figure 3: Lumbar support and armrest adjustments.
3. 3D Armrest Adjustment
The armrests offer three-dimensional adjustments to support your arms and shoulders, reducing strain.
- Height Adjustment: Use the lever located beneath each armrest to raise or lower them to your preferred height.
- Forward/Backward Adjustment: Slide the armrest pads forward or backward.
- Rotation: Rotate the armrest pads inward or outward.
4. Seat Height and Tilt Function
Adjust the seat height and recline angle for personalized comfort.
- Seat Height: Use the lever on the right side under the seat to raise or lower the chair. Lift the lever to raise the seat; sit on the chair and lift the lever to lower it.
- Tilt Function: The backrest reclines from 90° to 135°. Use the lever on the left side under the seat to lock or unlock the rocking function.
- Tilt Tension: Rotate the knob under the seat to adjust the tension of the tilt mechanism. Turn clockwise to increase tension, counter-clockwise to decrease.

Figure 4: Seat height and tilt adjustments.
Maintenance
Proper care ensures the longevity and performance of your DEVAISE office chair.
- Cleaning: Wipe clean with a damp cloth. Avoid harsh chemicals or abrasive cleaners.
- Inspection: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary.
- Casters: Keep casters free of debris to ensure smooth movement.
Troubleshooting
If you encounter any issues with your DEVAISE office chair, please refer to the following common solutions or contact customer support.
- Chair not adjusting height: Ensure the gas lift lever is fully engaged or disengaged as required. Check for any obstructions.
- Chair wobbles: Verify that all assembly screws are tightened. Ensure the chair is on a flat surface.
- Casters not rolling smoothly: Clean any hair or debris from the caster wheels.
For further assistance, please contact DEVAISE customer support.
Specifications
| Feature | Specification |
|---|---|
| Brand | DEVAISE |
| Model Name | ABGY014 Home Office Desk Chair |
| Color | Black |
| Product Dimensions (D x W x H) | 27.6"D x 27.7"W x 48"H |
| Maximum Weight Recommendation | 300 Pounds (136 kg) |
| Material | Sponge Cushion, Mesh Back |
| Back Style | Mesh Back |
| Arm Style | Standard, 3D Adjustable |
| Reclining Position Count | 3 (90°, 110°, 135°) |
| Item Weight | 32.3 pounds (14.65 kg) |

Figure 5: Product dimensions and weight capacity.

Figure 6: Breathable mesh and dual-layer cushion details.
Warranty and Support
Your DEVAISE Ergonomic Mesh Office Chair is backed by a two-year warranty. This warranty covers manufacturing defects and material flaws under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact our dedicated customer support team. Refer to the contact information provided with your purchase or visit the official DEVAISE website for assistance.





