SIHOO Doro C300 vs FlexiSpot OC3

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO

SIHOO Doro C300

$559.99 – $569.99

FlexiSpot

FlexiSpot OC3

$269.99

$290

lower starting price for FlexiSpot OC3 than SIHOO Doro C300 at the brand stores

Differences at a glance

SIHOO Doro C300FlexiSpot OC3

Price: $559.99 – $569.99$269.99
Seat height: 47–55 cm18.5–22.4 in (47-57 cm)
Seat depth: 43.5–46 cm15.9 in (40 cm)
Load capacity: 330 lb (≈ 150 kg)300 lb (136 kg)
Recline: Recline Angles: 110°, 120°, 130°90–130°
Arms: 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage)2D; 3.9" height adjustment
Headrest: 3D Mechanical Headrest2D headrest; 2.1" height and 30° rotation
Lumbar support: Self-adaptive dynamic lumbar support1.9" Height Adjustable
Warranty: 3 years5 Years

From 1 SIHOO Doro C300 and 2 FlexiSpot OC3 user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO Doro C300 or the FlexiSpot OC3?

The FlexiSpot OC3 is cheaper to start: $269.99 versus $559.99 for the SIHOO Doro C300 at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro C300 as standard and the FlexiSpot OC3 as standard.

What do owners mention most?

Adjustability for the SIHOO Doro C300, and price and value for the FlexiSpot OC3, based on review summaries.