Introduction
Thank you for choosing the BestGlory MP310 Ergonomic Office Chair. This manual provides essential information for the proper assembly, operation, and maintenance of your new chair. Please read these instructions carefully before use to ensure optimal performance and longevity of your product.
Key Features
- Customizable Air-Pump Lumbar Support: Unique inflatable lumbar support for personalized comfort and targeted relief from pressure and fatigue.
- 5D Fully Adjustable Armrests: Armrests move up/down, forward/backward, slide left/right, pivot inward/outward, and adjust their angle for optimal elbow and forearm support.
- 500LBS Heavy-Duty Weight Capacity: Engineered with a reinforced steel frame and high-density foam to support up to 500 lbs with stability and safety.
- Extra-Wide & Thickened Seat Cushion: Generously widened seat with high-density, slow-rebound foam for ample room and comfort during long sessions.
- Durable PU Leather: Made from scratch-resistant and waterproof PU leather for longevity and easy maintenance.
Setup and Assembly
Assembly of the BestGlory MP310 chair is designed to be straightforward, typically taking about 20 minutes. Follow the clear instructions provided in the packaging for a frustration-free experience.
Text Description: This video demonstrates the step-by-step assembly process for the BestGlory MP310 office chair, including attaching the base, wheels, and connecting the seat and backrest components.
Operating Instructions
1. Adjustable Lumbar Support
The chair features a unique inflatable lumbar support system. To adjust, locate the air pump mechanism on the side of the chair. Pump it to achieve your desired firmness level for personalized spinal support. To reduce support, press the deflation button.

Image Description: A close-up view of the adjustable air-pump lumbar support, showing how to inflate and deflate the lumbar area for customized comfort.
Text Description: This video demonstrates the functionality of the 5D adjustable armrests and the air-pump lumbar support on the BestGlory MP310 office chair.
2. 5D Adjustable Armrests
The 5D armrests offer extensive adjustability. They can move up/down, forward/backward, slide left/right, pivot inward/outward, and adjust their angle. Experiment with these movements to find the perfect position that reduces shoulder and neck strain.

Image Description: A detailed illustration of the 5D adjustable armrests, highlighting their multi-directional movement capabilities including up/down, forward/backward, left/right slide, and pivot.
3. Seat Height Adjustment
To adjust the seat height, locate the lever under the seat on the right side. Pull the lever upwards while seated to lower the seat, or pull it upwards while standing to raise the seat. Release the lever to lock the height.
4. Reclining Function
The chair features a reclining function, allowing you to tilt the backrest between 90 and 120 degrees. Use the lever located under the seat on the left side to engage or disengage the recline. Adjust the tilt tension knob (a round knob under the seat) to control the flexibility of the rocking motion.
Maintenance
To maintain the appearance and longevity of your BestGlory MP310 office chair, simply wipe it clean with a damp cloth. Avoid using harsh chemicals or abrasive cleaners that may damage the faux leather material.
Specifications
| Brand | BestGlory |
| Model Name | MP310 |
| Color | Brown |
| Product Dimensions | 25"D x 24.5"W x 52"H |
| Maximum Weight Recommendation | 500 Pounds |
| Material | Faux Leather, Sponge |
| Special Features | Adjustable Backrest, Adjustable Height, Adjustable Lumbar, 5D Flip Armrests, Big and Tall |
| Reclining Position Count | 1 (90-120 degrees) |
| Item Weight | 59 pounds |
Warranty and Support
BestGlory offers a 3-year service period for this product. Should you encounter any issues during installation or use, please contact our professional after-sales team for prompt assistance. You can reach us via:
- Email: cs@bestglorys.com
- Phone: +1(970)866-1010
Alternatively, you can log into your Amazon account, navigate to 'Your Orders', find the relevant order, and click 'Contact Seller' for support.
