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Sihoo DORO C300

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Newegg.com  →
 $339.99 
Newegg.com  →
 $349.99
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 $359.99 
BestBuy.com  →
 $369.99
BestBuy.com  →
 $399.99   
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Sihoo DORO C300
lumbar support
Main
Featuresfor boss
Max. user weight125 kg
Size and weight
Back height58 cm
Shoulder back width54 cm
Seat size (WxD)51x42 cm
Seat height41 – 49.5 cm
Design
Basecross with rollers
Mechanismsynchro mechanism
Headrest
Armrests
Waist support
Adjustments
Headrest height
Headrest tilt
Headrest depth
Back height
Backrest tilt130°
Seat height
Tilt of the entire chair
Armrests
Adjustment3D
height (up / down)
turn (right / left)
length (forward / backward)
Material
Seat materialmesh
Back materialmesh
Base materialmetal
Official Websitesihoo.com
Added to E-CatalogSeptember 2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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SIHOO Doro-C300 Ergonomic Office Chair-4 Positions Adjustable Backrest, 3 Positions Adjustment Recline, 3D Armrests, Compute

Auto-Adaptive Lumbar Support: Ergonomic lumbar support for constant back comfort. 4-Position Adjustable Backrest: Flexible se... moreatback that matches and relaxes your back. Waterfall-Shaped Seat: Waterfall-shaped seat to offer a weightless seating experience. 3-Position Adjustable Recline: Smart weight-sensing chassis for effortless and balanced reclining. Swivel Lift Headrest: Wide multi-adjustable headrest for high-precision neck support. 3D Armrests: 3D coordinated armrests to relax your arms in a
Newegg.com
Delivery: in USA
Report
$339.99
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SIHOO Doro-C300 Ergonomic Office Chair-4 Positions Adjustable Backrest, 3 Positions Adjustment Recline, 3D Armrests, Compute

Auto-Adaptive Lumbar Support: Ergonomic lumbar support for constant back comfort. 4-Position Adjustable Backrest: Flexible se... moreatback that matches and relaxes your back. Waterfall-Shaped Seat: Waterfall-shaped seat to offer a weightless seating experience. 3-Position Adjustable Recline: Smart weight-sensing chassis for effortless and balanced reclining. Swivel Lift Headrest: Wide multi-adjustable headrest for high-precision neck support. 3D Armrests: 3D coordinated armrests to relax your arms in a
Newegg.com
Delivery: in USA
Report
$349.99
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SIHOO - C300 Ergonomic Office Chair with Soft 3D Armrests, Dynamic Lumbar Support, Adjustable Backrest - Black DORO-C300L-A3

The SIHOO A3 office chair, an innovative ergonomic model, uses advanced technology to ensure comfortable sitting and proper p... moreosture. It features automatically adjustable 3D headrest, lumbar support, linked 3D armrests, an intelligent gravity mechanism, and automatic adjustment, along with a soft backrest and breathable mesh seat for all-day comfort. Its 3D headrest offers wide-angle adjustment (4.5cm up/down, 6.5cm forward/backward, 20° angle) and is made of soft mesh with a triangular soft elastic frame and support straps for back support; the 4-position adjustable 6cm liftable backrest suits all heights and auto-reverts to level 1 when at maximum height. It also comes with domino auto-adaptive lumbar support. The intelligent gravity mechanism with weight-adjustable resilience enables 2-step auto-adjustment and tilting from 92° to 100° to 112° (max), allowing comfortable rocking or short breaks. Certified by American BIFMA and German TUV, it has passed tests like backrest strength and seat impact tests, and is equipped with SGS Class 4 cylinders for durability and safety. It comes with a 3-year warranty, with support available for any product issues.
BestBuy.com
Delivery: in USA
Report
$359.99
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SIHOO - C300 Ergonomic Office Chair with Soft 3D Armrests, Dynamic Lumbar Support, Adjustable Backrest - Gray DORO-C300L-A3-

The SIHOO A3 office chair, an innovative ergonomic model, uses advanced technology to ensure comfortable sitting and proper p... moreosture. It features automatically adjustable 4D headrest, lumbar support, linked 3D armrests, an intelligent gravity mechanism, and automatic adjustment, along with a soft backrest and breathable mesh seat for all-day comfort. Its 3D headrest offers wide-angle adjustment (4.5cm up/down, 6.5cm forward/backward, 20° angle) and is made of soft mesh with a triangular soft elastic frame and support straps for back support; the 4-position adjustable 6cm liftable backrest suits all heights and auto-reverts to level 1 when at maximum height. It also comes with domino auto-adaptive lumbar support. The intelligent gravity mechanism with weight-adjustable resilience enables 2-step auto-adjustment and tilting from 92° to 100° to 112° (max), allowing comfortable rocking or short breaks. Certified by American BIFMA and German TUV, it has passed tests like backrest strength and seat impact tests, and is equipped with SGS Class 4 cylinders for durability and safety. It comes with a 3-year warranty, with support available for any product issues.
BestBuy.com
Delivery: in USA
Report
$369.99
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SIHOO - C300 Computer Chair with Footrest，Gaming Chair with Soft 4D Armrests, Dynamic Lumbar Support and Swivel Office Chair

SIHOO C300 Ergonomic Chair – Stylish All-Day Support for Work & Relaxation. Meet the SIHOO C300 – a stylish and intelligently... moredesigned ergonomic chair that blends seamlessly into your gaming arena, bedroom, office, or home workspace. Crafted for users of all sizes, it features a cutting-edge dynamic backrest that auto-adjusts to your spine’s natural curve, 4D armrests that move in multiple directions for perfect arm support, and a built-in retractable footrest. When work leaves you tired, simply pull out the footrest and relax right at your desk. With three tilt positions (110°-130°) and intelligent weight-sensing, the C300 ensures smooth reclining tailored to your body. TÜV and REACH/EN1335 certified, and backed by a 3-year warranty, this isn’t just a computer chair – it’s your personal comfort ecosystem.
BestBuy.com
Delivery: in USA
Report
$399.99
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Computer Chair Sihoo DORO C300