SIHOO B100 Pro vs SIHOO M57

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

SIHOO

SIHOO B100 Pro

$259.99 – $299.99

SIHOO

SIHOO M57

$319.99

$60

lower starting price for SIHOO B100 Pro than SIHOO M57 at the brand stores

Differences at a glance

SIHOO B100 ProSIHOO M57

Price: $259.99 – $299.99$319.99
Load capacity: 330 lb (≈ 150 kg)330 lb (≈ 150 kg)
Recline: 3-position recline up to 135°Reclines up to 126°
Arms: Enlarged 4D flip-up armrests3D coordinated armrests (up and down, left and right, forward and backward)
Headrest: Wide 3D adjustable headrestHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support: Responsive lower-back supportDual-adjustable lumbar support (vertical and horizontal)
Warranty: 3 years3 years

Which is cheaper, the SIHOO B100 Pro or the SIHOO M57?

The SIHOO B100 Pro is cheaper to start: $259.99 versus $319.99 for the SIHOO M57 at the brand stores (Oct 2026).

Which has a higher weight capacity?

Neither. Both are rated for 330 lb in their official specifications.

Which has a headrest?

Both: the SIHOO B100 Pro as standard and the SIHOO M57 as standard.