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Ergonomic Office Chair

8D Armrest Chair

T9-GH

The T9-GH 8D Armrest Chair delivers advanced ergonomic support with fully adjustable 8D armrests and dynamic lumbar and headrest features. Designed for office, gaming, and home workspaces, it reduces neck, shoulder, and back strain, providing a customizable, comfortable seating experience for long hours.

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Key Benefits of the 8D Armrest Chair

  • Ergonomic Arm Support: 8D armrests adjust precisely to reduce shoulder and wrist strain in any working posture.

  • Spinal Pressure Relief: Auto-adaptive lumbar system aligns with your back to minimize lower spine fatigue.

  • Active Sitting Encouragement: Multi-angle recline with forward tilt supports posture changes during long sessions.

  • All-Day Comfort & Stability: Engineered for consistent comfort in high-intensity office, executive, or home setups.

8D Armrest System

Adjust armrests in eight directions—height, depth, width, inward/outward angle, and 360° rotation—to align with your posture and activity.

AutoFit Lumbar Support

Integrated lumbar panel automatically conforms to your back’s shape, while a side dial allows micro-adjustment for personalized lower back comfort.

4D Adjustable Headrest

Fine-tune neck support with height, tilt, depth, and pivot adjustments—ideal for multitaskers and taller users.

OmniTilt Recline Mechanism

Supports a 103°–128° multi-lock recline and 97°–103° forward tilt range to promote healthy posture throughout the day.

Seat Depth & Height Control

Slide and raise the seat to match your leg length and desk height using the SynchroLink wire-control system.

Reinforced Carbon Core

Carbon fiber internal components in the tilt mechanism ensure long-term durability and vibration control.

Various Colour
To Choose

T9-GH-Gray

HIGHLIGHT

High-Quality Materials

  • 1.Mesh

    Dual-layer elastic mesh made with DuPont fibers, offering certified abrasion resistance and extended lifespan.

  • 2.Armrest Pads

    Skin-friendly PU surface with a contoured edge design for improved pressure dispersion.

  • 3.Gas Lift

    SHS Class 4, SGS-certified, tested for over 20,000 cycles.

  • 4.Chair Base

    350mm reinforced nylon base with five anti-slip legs.

  • 5.Casters

    60mm BIFMA-certified silent nylon castors suitable for both hard and soft flooring.

Specifications

packing-method 1pc/ctn
product-model Vaseat-T9-GH
certificated BIFMA/EN1335
warranty 5 years
lead-time 5-30days depends on the order quantity
packing-size 74*73*60CM/1PC
color Customizable
loading-quantity 210PCS/40HQ
Services

Services for the 8D Armrest Chair

  • 5-Year Warranty & Lifetime Support

    The 8D Armrest Chair comes with a 5-year warranty covering all mechanical components. Our support team is always ready to assist you beyond the warranty period.

  • Pre-Shipment Testing

    Each 8D Armrest Chair undergoes strict quality control and dynamic testing before delivery. Our QC team inspects all moving parts—especially the armrests, gas lift, and recline system—to ensure long-term performance and stability.

  • Reliable Global Shipping

    Our logistics network ensures timely delivery with professional packaging and full tracking support. Shipping timelines vary by region and order quantity—contact us for details.

Frequently Asked Questions

T9-GH

  • What does "8D" mean in the 8D Armrest Chair?

    It refers to 8-directional adjustability—height, width, depth, angle, and rotation—offering the most advanced ergonomic arm support on the market.

  • What makes the 8D Armrest Chair better than traditional ergonomic chairs?

    Unlike standard chairs, the 8D Armrest Chair features fully multidirectional armrest adjustability, allowing users to customize arm support based on activity, posture, and desk setup—ideal for professionals seeking precision comfort.

  • Does the 8D Armrest Chair help reduce neck and shoulder pain?

    Yes. The 8D armrests and 4D headrest are designed to relieve strain on your neck and shoulders by providing stable, customizable support that moves with your body.

  • How does the lumbar support system work in the 8D Armrest Chair?

    The AutoFit lumbar system adjusts in real-time to your back’s natural curvature, using dial-based micro-tuning to reduce lower back fatigue during long hours of sitting.

  • Can the 8D Armrest Chair be used on both carpet and hardwood floors?

    Yes. The chair is equipped with BIFMA-certified 60mm nylon casters that roll smoothly and quietly on various floor types without causing damage.

Still have questions? Don't hesitate to contact us for more answers. Contact Us

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