Seat Cushion:
Base Mechanism:
Recline Angle:
Mesh Fabric:
Additional Features (B300Pro):
Innovative dual-direction precise lumbar adjustment combined with adaptive support for enhanced comfort
30mm precise forward/backward lumbar adjustment with stepless tension control
Lumbar cushion moves synchronously with body movement for continuous support
6D linked circular armrests with 15cm height adjustment, 4.5cm flip, 100° rotation, and tilt synchronization
Extendable footrest for comfortable resting and napping
Suitable for users 155-185 cm in height
Large 3D wide headrest for versatile comfort during work, entertainment, and rest
High-quality materials including level 4 gas lift, PU silent wheels, and steel five-star base
Passed 10 rigorous quality tests exceeding national standards (load, durability, safety)
Dimensions (B300Pro):
Materials & Build:
Quality Assurance:
Tested for load capacity up to 136 kg
Passed multiple durability and safety tests including headrest, backrest, armrest, gas lift, and base static pressure tests
Data sourced from SIHOO laboratory
Summary:
The SIHOO B300Pro office chair offers comprehensive adjustability with precise lumbar support, multi-directional armrests, and ergonomic design tailored for comfort during work, rest, and entertainment. Its advanced materials and rigorous testing ensure durability and premium quality.
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| Width | 67.6 |
| Height | 47.2 |
| NetWeight | 26.02 |
| Brand | SIHOO |
| Models | B100Pro, B300, B300Pro |
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| B100Pro |
| Obsidian Black, Cloud White |
| B300 | Obsidian Black, Cloud White |
| B300Pro | Obsidian Black, Cloud White |
| All models | Wide 3D adjustable headrest (height, rotation, forward/backward adjustments) |
| B100Pro & B300 | Non-adjustable backrest |
| B100Pro & B300Pro | Full mesh seat cushion with 30mm forward/backward sliding adjustment |
| Packaging size | 75 x 46 x 67 cm |
| Seat width | 49.5 cm |
| Seat depth | 52.5 cm |
| Seat height | 40.5-45.5 cm |
| Backrest height | 58 cm |
| Armrest height | 25.6 cm |
| Overall height | 109 cm |
| Footrest length | 48.5 cm |
| Other dimensions | 25.5 cm, 120 cm, 45.5 cm, 52.8 cm, 70 cm |
| Mesh | Wave dense rib special mesh with advanced weaving technology |
| Gas lift | Level 4 high-standard gas lift |
| Base | Steel five-star base |
| Wheels | PU silent casters |
| Frame | Steel structure for durability and stability |