FlexiSpot OC3 vs SIHOO B300 Pro
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
2 years
longer warranty on FlexiSpot OC3 than SIHOO B300 Pro (official terms)
Differences at a glance
Sources
- Essential Office chair (OC3) - FlexiSpot official store (SPEC tab) ↗Checked Sep 29, 2026
- Sihoo B300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
FlexiSpot OC3SIHOO B300 Pro
- Price
- $269.99$329.99 – $379.99
- Seat height
- 18.5–22.4 in (47-57 cm)46.8–55.3 cm
- Seat depth
- 15.9 in (40 cm)16.5–18.5 in (≈ 42-47 cm)
- Load capacity
- 300 lb (136 kg)330 lb (≈ 150 kg)
- Recline
- 90–130°Three lockable recline angles: 105°, 120°, 135°
- Arms
- 2D; 3.9" height adjustment6D All-Around Armrests (rotate, adjust, flip up)
- Headrest
- 2D headrest; 2.1" height and 30° rotation3D Ultra-Wide Headrest
- Lumbar support
- 1.9" Height Adjustable4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
- Warranty
- 5 Years3-Year Free Warranty
Questions
Which is cheaper, the FlexiSpot OC3 or the SIHOO B300 Pro?
The FlexiSpot OC3 is cheaper to start: $269.99 versus $329.99 for the SIHOO B300 Pro at the brand stores (Sep 2026).
Which has a headrest?
Both: the FlexiSpot OC3 as standard and the SIHOO B300 Pro as standard.
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- SIHOO B300 Pro vs HBADA E3 Air (2026 Edition) Arms: 6D All-Around Armrests on SIHOO B300 Pro; Armrest Height: 68.5cm–84cm on HBADA E3 Air (2026 Edition).