Office Chair QL-66B3 - Black (PU) - 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 (PU)

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Office Chair QL-66B3 - Black (PU) - 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 support, thickened backrest, and full PU leather upholstery. Supports up to 400 lbs for superior comfort and durability.

Product Specs

Brand Dowinx
Model QL-66B3
Color Black
Material Metal Frame, Premium 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 long work sessions and all-day comfort.
  • Dual-Mode Massage Lumbar Support: Seamlessly switch between ergonomic lumbar support and soothing massage comfort to relieve lower back tension.
  • Spacious Oversized Seat: The contoured seat base cradles hips and thighs, delivering unmatched comfort for executives, professionals, and gamers.
  • Premium Full PU Leather Upholstery: Crafted with smooth, durable PU leather that delivers a luxurious executive appearance while remaining easy to clean and maintain.
  • Heavy-Duty Construction: Reinforced metal base and durable frame support up to 400 lbs for exceptional stability and long-term durability.
  • Adjustable Recline & 360° Swivel: Move effortlessly between focus mode and relaxation with smooth height adjustment, reclining backrest, and full swivel mobility.

What’s Included

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


Usage Scenarios

Perfect for executive offices, conference rooms, home workspaces, and premium gaming setups. Designed for extended sitting comfort during work, study, meetings, or relaxation.


Installation & Notes

  1. Assemble easily with included tools and step-by-step instructions.
  2. Connect the massage lumbar pillow via USB for instant comfort mode.
  3. Tighten all bolts securely for maximum stability.
  4. Adjust height and recline angle for your ideal ergonomic posture.

Ships from multiple U.S. warehouses for fast delivery. For assembly assistance or warranty support, please contact the 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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