Measure Before Ordering
Measure the user's height and body type, the width and depth of the chair, the height of the desk and drawers, whether the armrests can fit under the desk, and the dimensions of the doorway, corridor, and elevator.
89 Degrees 90° Flippable Armrest Ergonomic Student Office Chair | Basic Student Version
30-Second Fit Check
Available to Order
- Workspace Category
- Ergonomic chair
- Installation Difficulty
- Moderate | Recommended for two people
Measure Before Ordering: Measure the user's height and body type, the width and depth of the chair, the height of the desk and drawers, whet...
Ba Jiu Jian 90° Flip-Up Armrest Student Ergonomic Office Chair | Student Basic Edition
Focusing on home and office workspaces in Hong Kong, we've organized differences in backrest, seat depth, armrests, base, headrest, height adjustment, and recline to help you choose based on desk height and space.
What type of workspace is it suitable for?
- Suitable for home offices, studies, studios, and fixed office workstations.
- Key considerations include seat depth, back support, armrest-to-desk compatibility, and the configuration of height adjustment, recline, headrest, and base.
- Different styles of armrests, footrests, cushions, and bases may vary; please refer to the variant name and images.
Style and Specification Highlights
- Style Highlight: Student Basic Edition
- Height adjustable, rotatable, reclinable
- Seat depth adjustment: approx. 5 cm
- 90° movable armrests
- 0° down: elbow support
- 45° up: adjust distance from desk
- 90° up: space-saving
- Movable lumbar support
- Seat height adjustment range: approx. 8 cm
- Recline or rocking function
- Dimensions: 104 x 64 x 45.5cm
- Height adjustable: 8cm
Please measure before placing an order
Measure user's height and body type, seat width and depth, desk and drawer height, whether armrests can fit under the desk, and dimensions of doorways, corridors, and elevators.
Installation, Placement, and Maintenance
Product does not include HomeWorker on-site installation. Please allow space for assembly, and after completion, check screws, base, casters, height adjustment, armrests, and recline structure one by one.
HomeWorker Warehouse QC
Goods first arrive at the HomeWorker warehouse, where we verify the style, quantity, main accessories, appearance, and visible condition before arranging local delivery. QC is not equivalent to long-term durability testing, nor does it guarantee suitability for all office chairs, desks, or personal body types.
Information Disclaimer: This page only organizes identifiable uses, dimensions, materials, and functions from the source; specifications without reliable data are not speculated upon. For dimensions measured manually, please allow for reasonable error.
Local Dispatch After Basic Warehouse QC
Size & Compatibility Inquiries Before Purchase
Hong Kong Support: WhatsApp 9604 0994
89 Degrees 90° Flippable Armrest Ergonomic Student Office Chair | Basic Student Version
89 Degrees 90° Flippable Armrest Ergonomic Student Office Chair | Basic Student Version
30-Second Fit Check
Size, Load Capacity & Installation Fit
HomeWorker organizes the most critical data for your experience. Cross-check dimensions and setup space before ordering to avoid mismatches.
- Workspace Category
- Ergonomic chair
- Mounting Method
- Self-assembly required.
- Installation Difficulty
- Moderate | Recommended for two people
- Product Dimensions
- Dimensions: 104 x 64 x 45.5cm; Height adjustable: 8cm
- Primary Material
- Seat, backrest, legs and structural materials vary by style; verify with samples upon arrival before official listing.
Suitable for you, if...
Focusing on home and office workstations in Hong Kong, we've compiled a guide to the differences in backrests, seat depths, armrests, bases, headrests, lift mechanisms, and recline functions to help you choose based on desk height and space.
Might not be suitable, if...
Undeclared doorway/lift dimensions, desktop height, user body shape, or cases requiring on-site installation services.
Package Contents
Chair components and assembly accessories (as per style); actual package contents are subject to warehouse QC.
Installation Notes
On-site installation is not included. Please assemble according to the instructions and, once complete, check the screws, legs, lifting mechanism, recline function, and casters.
Enterprise & Bulk Setup
For multiple workstation setups, please provide the quantity, desk dimensions, device list, and desired delivery date in advance for our unified review.
Local Dispatch After Basic Warehouse QCUpon arrival at the warehouse, inspect the style, quantity, main accessories, appearance, basic assembly, and visible condition; this does not include comprehensive durability, all office chair/desk set combinations, or guarantees of suitability for individual body types.
Order Processing & DispatchGenerally 5–7 business days; larger items and remote areas require separate confirmation
Inquire Before PurchaseWhatsApp 9604 0994
Details
Ba Jiu Jian 90° Flip-Up Armrest Student Ergonomic Office Chair | Student Basic Edition
Focusing on home and office workspaces in Hong Kong, we've organized differences in backrest, seat depth, armrests, base, headrest, height adjustment, and recline to help you choose based on desk height and space.
What type of workspace is it suitable for?
- Suitable for home offices, studies, studios, and fixed office workstations.
- Key considerations include seat depth, back support, armrest-to-desk compatibility, and the configuration of height adjustment, recline, headrest, and base.
- Different styles of armrests, footrests, cushions, and bases may vary; please refer to the variant name and images.
Style and Specification Highlights
- Style Highlight: Student Basic Edition
- Height adjustable, rotatable, reclinable
- Seat depth adjustment: approx. 5 cm
- 90° movable armrests
- 0° down: elbow support
- 45° up: adjust distance from desk
- 90° up: space-saving
- Movable lumbar support
- Seat height adjustment range: approx. 8 cm
- Recline or rocking function
- Dimensions: 104 x 64 x 45.5cm
- Height adjustable: 8cm
Please measure before placing an order
Measure user's height and body type, seat width and depth, desk and drawer height, whether armrests can fit under the desk, and dimensions of doorways, corridors, and elevators.
Installation, Placement, and Maintenance
Product does not include HomeWorker on-site installation. Please allow space for assembly, and after completion, check screws, base, casters, height adjustment, armrests, and recline structure one by one.
HomeWorker Warehouse QC
Goods first arrive at the HomeWorker warehouse, where we verify the style, quantity, main accessories, appearance, and visible condition before arranging local delivery. QC is not equivalent to long-term durability testing, nor does it guarantee suitability for all office chairs, desks, or personal body types.
Information Disclaimer: This page only organizes identifiable uses, dimensions, materials, and functions from the source; specifications without reliable data are not speculated upon. For dimensions measured manually, please allow for reasonable error.
Styles & Options
| Colour |
Black, Lake blue, Grey |
|---|
Customer Reviews
Customer reviews
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Your review helps other Hong Kong customers choose the right workspace setup. We review submissions before publication.
Reviewing: 89 Degrees 90° Flippable Armrest Ergonomic Student Office Chair | Basic Student Version
Review submissions are handled by HomeWorker staff. Only approved reviews are copied to the product record.
4.5
25 reviews
好用
發貨好快，包裝得好好
正
Product is as described
正
正！
Fast delivery
Very satisfied
正
Quality 好好，推薦
滿意
好滿意，will buy again
不錯
好抵買！
Fast delivery
Will buy again
滿意
Worth the price
Very Good
Will buy again
Great product
Five stars
推薦
客服態度好，有問必答
Will Repurchase
The surface is well treated, no rough or sharp edges. Perfect details.
Will Repurchase
It's heavier than expected, which shows the materials are solid. Overall satisfied.
Great Value for Money
Been using it for a few weeks, it definitely improved my posture while using the computer. Less neck pain now.
Very Satisfied
The design is clean and fits perfectly with my home decor. Also very practical.
Worth Buying
Although there was a slight delay in delivery, customer service resolved it quickly. The product itself is 10/10.
Easy to Install
Recommended by a friend, and they were right. The quality is excellent.
Worth Buying
Ergonomic design, doesn't feel tiring even after long use. The most practical thing I've bought recently.
Easy to Install
Really like the design. Practical without being bulky, fits perfectly in the room.
Highly Recommended
The surface is well treated, no rough or sharp edges. Perfect details.
Improves Posture
Extremely fast shipping. Ordered yesterday and received it quickly. Packaging was secure with no damage.
Secure Packaging
Easy to install, took about 15 minutes following the manual. It's very sturdy with no wobbling.
Best Value
The design is clean and fits perfectly with my home decor. Also very practical.
Easy to Install
It's heavier than expected, which shows the materials are solid. Overall satisfied.