Black Office Chair QL-66B3 – Big & Tall Massage Boss Chair for Work & Relax | Dowinx

Sale price $229.99 USD Regular price $369.99 USD
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Color:Black – Massage

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Black Office Chair QL-66B3 – Big & Tall Massage Boss Chair for Work & Relax | Dowinx
$229.99 USD

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Dowinx QL-66B3 Big & Tall Boss Chair – Massage & Ergonomic Comfort

Premium executive boss chair with dual massage lumbar, thickened backrest, hybrid mesh-leather design. Supports up to 400 lbs for superior comfort.

Product Specs

Brand Dowinx
Model QL-66B3
Color Black
Material Metal, Mesh, PU Leather
Dimensions 22.8"D × 21.7"W × 40"H
Weight Capacity 400 lbs
Style Modern / Executive Boss Chair


Key Features

  • Double-Layered Backrest: Dual cushioning structure provides ergonomic support ideal for boss chair comfort during long work hours.
  • Dual-Rotation Massage Lumbar: Flip to switch between ergonomic support and deep-kneading massage to relieve lower back tension.
  • Spacious Oversized Seat: The contoured seat base cradles hips and thighs, ensuring unmatched comfort for executives and gamers alike.
  • Hybrid Design: Breathable mesh and premium PU leather combine to create a professional, cool, and stylish boss chair aesthetic.
  • Heavy-Duty Construction: Metal base and reinforced frame support up to 400 lbs, ensuring stability and durability.
  • Adjustable Recline & Swivel: Transition smoothly between focus and relaxation with a 360° swivel and reclining backrest.

What’s Included

1 × Dowinx QL-66B3 Boss Office Chair
1 × Dual-Rotation Massage Lumbar Pillow
1 × Assembly Manual & Tools Kit


Usage Scenarios

Perfect as an executive boss chair for office, conference, or home workspace. Offers ergonomic support for long hours of work, study, or gaming relaxation.


Installation & Notes

  1. Assemble with included tools and follow step-by-step manual.
  2. Plug the massage lumbar via USB for instant relaxation mode.
  3. Tighten all bolts firmly for maximum boss chair stability.
  4. Adjust backrest angle and seat height for ergonomic posture.

Ships from multiple U.S. warehouses for fast delivery. For assembly or warranty support, contact Dowinx service team.

FAQs

Have questions? Find answers to the most common inquiries about our products, shipping, returns, andmore. Explore our FAQ for quick and helpful information.

1. How should I know which chair suits me?

"First of all, please clarify your use scene, height and weight, and preferred surface material. For use scene: Take the armrest as an example, the linkage armrest model will be more suitable for leisure and game scenes, and the 4D armrest will be more suitable for work and office use scenes. For height and weight: Our convenient size calculator can recommend the most suitable product for you based on your height and weight. The most important indicator is height (approximately 26% of height), please confirm this before purchasing. For favorite fabric: A chair with fabric will be more breathable, and of course it will be more difficult to clean. A chair with retro leather will be more glamorous and comfortable to the touch, but sitting for a long time may feel stuffy. Hope you can find a comfortable chair that suits you. -- Dowinx Ergonomics Research Center Jack"

2. How will my order be delivered?

We deliver your order straight to your address via DPD. Once your order ships, you'll receive a shipping confirmation email and tracking number, so you can follow your package as it makes its way to you.

3. Where will the chair I ordered be shipped from?

Dowinx currently has multiple Dowinx warehouses in Germany, the United States, the United Kingdom, China, Japan and other countries. We will choose the nearest warehouse for delivery so that your chair can be delivered to you in the shortest possible time. For details, please refer to the product pages of each site:

  • America: https://dowinx.com/
  • Europe: https://eu.dowinx.com/
  • Japan: https://dowinx.jp/
4. Why choose Dowinx? I have never heard of this brand before.

As a factory-operated brand. We have eliminated countless complicated links and additional expenditures to make sure that the chair you purchase is far more cost-effective than other brands. More importantly, factory direct management allows us to supervise every link from raw materials to delivery to your hands. After receiving customer feedback, ordinary buyers can only continue to sell products that have been finalized, and can only improve on the next generation of new models. But our products can be adjusted in real time based on customer feedback. For example, LS-6689 was officially launched at the end of 2019 and has been improved 43 times as of October 2021. According to the different feedback received by the customer service center. We have adjusted the product’s sponge hardness, seat height and other details that are not easy to express. Finally, if you want to know more about our evolution, please click here. -- Founder of Dowinx

5. I already own a Dowinx chair, how can I upgrade the armrests and other accessories?

We have developed some advanced matching accessories. If you have any requirements, please go to this page to check the suitability and purchase. --Dowinx accessories project team

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