Lume Soft BS5 Series Ergonomic Office Chair
Refined ergonomics for modern executive workspaces.
3D Curved Headrest
Designed to fit the natural curve of the neck, providing stable, comfortable support.The multi-dimensional adjustable design helps relieve neck fatigue and reduce cervical pressure.
90 mm height adjustment | 45° rotation | adjustable support angle
Complete Support
DuPont elastic ribbons, curved beam, and reinforced beam deliver stable lumbar support.
Fits the waist curve, reduces pressure, and stays aligned with forward–backward adjustment.
Compact backrest design suits multiple work scenarios.
Curved Cushion
Precision-molded seat cushion with uniform-density shaping foam ensures lasting support and structural stability.
The curved seating surface conforms to the hip contour, effectively distributing sitting pressure and enhancing overall seating comfort.
Optimized Support
Diamond-structured fixed armrests and a 4 mm steel tail plate provide strong, stable support, secured with hexagon socket screws for improved durability.
A thickened locking base automatically adjusts tilt resistance, while the reinforced tail plate allows a wider tilt angle and ensures safe, stable reclining.
Learn More About the Lume Soft BS5 Series
The Lume Soft BS5 series is a high-end ergonomic office chair designed for modern office and professional work environments.
Lume Soft BS5 Series Ergonomic Office Chair Usage Solutions
The Lume Soft BS5 Series ergonomic office chair fits seamlessly into modern offices, meeting rooms, and home workspaces, supporting comfort across a wide range of daily tasks.
Lume Soft BS5 Series DIY Customization
Options
Dimension
X7 Series Office Chair Dimensions
| Dimension | Size (mm) |
|---|---|
| Overall Width | 650 |
| Backrest Width | 420 |
| Headrest Width | 260 |
| Headrest Height | 110 |
| Armrest Height Range | 275–350 |
| Seat Height Range | 475–575 |
| Overall Height | 1140–1370 |
| Backrest Height (from seat) | 1035–1180 |
| Backrest Support Height | 580–620 |
| Seat Depth | 440–490 |
| Backrest Depth | 510 |
| Base Width | 505 |
| Base Depth | 640 |
Features
- Ergonomic Backrest Design: The backrest is designed to follow natural body movement, allowing gentle left-right sway as the user shifts posture, helping reduce stiffness during long sitting periods.
- Adjustable Backrest Height: Backrest height adjustment with 5 locking levels allows users to align back support precisely with different body heights.
- Forward-Tilting Seat Function: The seat supports 3-degree forward tilt adjustment, helping maintain a comfortable and efficient typing posture during focused work.
- German Bock Suspension Mechanism: Equipped with a German Bock mechanism, combined with a fabric upholstered seat and seat slider, delivering a smooth suspension-style sitting experience with enhanced stability.
- All-Aluminum Structural Bracket: Armrests, back support bracket, and mechanism housing are all made from high-precision aluminum, ensuring excellent strength, durability, and a premium metallic finish across the entire series.
- Armrest Configuration Options: The series is available with 3D adjustable armrests, supporting height and directional adjustment for daily office use.
- Seat Height Adjustment: Smooth seat height adjustment adapts easily to different desk heights and user preferences.
- Quick Back Tension Adjustment: Back tension can be adjusted quickly, allowing users to control reclining resistance with minimal effort.
- Class 4 Safety Gas Lift: Certified Class 4 gas lift ensures safe, stable, and smooth height adjustment for long-term professional use.
- 350# Aluminum Base: A reinforced 350# aluminum base provides strong load-bearing capacity and long-term structural stability.
- 60mm PU Silent Castors: High-quality 60mm PU castors offer smooth, quiet movement while protecting various floor surfaces.
-
Adjustable Headrest Configuration:
Ergonomic chair designed for the user's head. Antibacterial adjustable headrest (up and down, neckrest and headrest can be switched at will, micro-massage TPU material).
Note: Available on selected models only. -
Headrest-Free Configuration:
Ergonomic chair designed without a headrest, maintaining a cleaner profile while retaining full back support.
Note: Standard configuration on selected models.
X7 Series Office Chair Dimensions
| Dimension | Size (mm) |
|---|---|
| Overall Width | 650 |
| Backrest Width | 420 |
| Headrest Width | 260 |
| Headrest Height | 110 |
| Armrest Height Range | 275–350 |
| Seat Height Range | 475–575 |
| Overall Height | 1140–1370 |
| Backrest Height (from seat) | 1035–1180 |
| Backrest Support Height | 580–620 |
| Seat Depth | 440–490 |
| Backrest Depth | 510 |
| Base Width | 505 |
| Base Depth | 640 |
- Ergonomic Backrest Design: The backrest is designed to follow natural body movement, allowing gentle left-right sway as the user shifts posture, helping reduce stiffness during long sitting periods.
- Adjustable Backrest Height: Backrest height adjustment with 5 locking levels allows users to align back support precisely with different body heights.
- Forward-Tilting Seat Function: The seat supports 3-degree forward tilt adjustment, helping maintain a comfortable and efficient typing posture during focused work.
- German Bock Suspension Mechanism: Equipped with a German Bock mechanism, combined with a fabric upholstered seat and seat slider, delivering a smooth suspension-style sitting experience with enhanced stability.
- All-Aluminum Structural Bracket: Armrests, back support bracket, and mechanism housing are all made from high-precision aluminum, ensuring excellent strength, durability, and a premium metallic finish across the entire series.
- Armrest Configuration Options: The series is available with 3D adjustable armrests, supporting height and directional adjustment for daily office use.
- Seat Height Adjustment: Smooth seat height adjustment adapts easily to different desk heights and user preferences.
- Quick Back Tension Adjustment: Back tension can be adjusted quickly, allowing users to control reclining resistance with minimal effort.
- Class 4 Safety Gas Lift: Certified Class 4 gas lift ensures safe, stable, and smooth height adjustment for long-term professional use.
- 350# Aluminum Base: A reinforced 350# aluminum base provides strong load-bearing capacity and long-term structural stability.
- 60mm PU Silent Castors: High-quality 60mm PU castors offer smooth, quiet movement while protecting various floor surfaces.
-
Adjustable Headrest Configuration:
Ergonomic chair designed for the user's head. Antibacterial adjustable headrest (up and down, neckrest and headrest can be switched at will, micro-massage TPU material).
Note: Available on selected models only. -
Headrest-Free Configuration:
Ergonomic chair designed without a headrest, maintaining a cleaner profile while retaining full back support.
Note: Standard configuration on selected models.
| Features / Configuration | Chair 1 | Chair 2 |
|---|---|---|
| Key Difference (Headrest) | ✓ Antibacterial adjustable headrest (up/down, large/small switching; micro-massage TPU) | ✗ No headrest configuration |
| Product Image |
Chair 1 |
Chair 2 |
| Core Positioning | √ Ergonomic chair for head support | √ Ergonomic chair for head support |
| Backrest Follow-up Function | √ Swings left/right with body movement | √ Swings left/right with body movement |
| Backrest Height Adjustment | √ 5 gears adjustable | √ 5 gears adjustable |
| Seat Forward/Backward Tilt | √ -3° forward/backward tilt adjustment | √ -3° forward/backward tilt adjustment |
| Chassis Configuration | √ German Bork imported chassis (seat depth adjustment, floating sitting experience) | √ German Bork imported chassis (seat depth adjustment, floating sitting experience) |
| Stand Material | √ Full high-precision aluminum alloy (armrests/back connectors/chassis) | √ Full high-precision aluminum alloy (armrests/back connectors/chassis) |
| Seat Type | √ Fabric-padded soft seat | √ Fabric-padded soft seat |
| Armrest Configuration | √ 3D armrests | √ 3D armrests |
| Seat Height Adjustment | √ Supported | √ Supported |
| Backrest Tension Adjustment | √ Quick adjustment | √ Quick adjustment |
| Gas Lift Class | √ Class 4 gas lift | √ Class 4 gas lift |
| Chair Base Material | √ 350# aluminum alloy base | √ 350# aluminum alloy base |
| Caster Configuration | √ 60mm PU casters | √ 60mm PU casters |
| Fabric Material | √ Polymer polka dot fabric | √ Polymer polka dot fabric |
FAQ
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Do you ship overseas?
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
How long will it take to get my orders?
It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
Any question?
You can contact us through our contact page! We will be happy to assist you.