HBADA X7 Smart vs SIHOO Doro C300 Ultra V2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$829.01
lower starting price for SIHOO Doro C300 Ultra V2 than HBADA X7 Smart at the brand stores
Differences at a glance
Sources
- HBADA X7 Smart Ergonomic Office Chair with AI Lumbar Support – HBADA US official store ↗Checked Oct 9, 2026
- Doro C300 Ultra V2 Zero‑Gravity Full‑Body Adaptive Ergonomic Chair – UK Sihoo official Shop ↗Checked Oct 13, 2026
- Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 13, 2026
HBADA X7 SmartSIHOO Doro C300 Ultra V2
- Price
- $1,509$679.99 – $689.99
- Seat height
- Adjustable by 3.35" / 8.5 cm, from 17.52" to 20.87" / 44.5 - 53 cm47.5–55.5 cm (≈ 18.7-21.9 in)
- Seat depth
- Adjustable by 1.97" / 5 cm, from 15.94" to 17.91" / 40.5 - 45.5 cm16.9–18.5 in (≈ 43-47 cm)
- Load capacity
- 330 lb330 lb (≈ 150 kg)
- Recline
- Positions shown at 105°, 116°, 128° and 140° (maximum)Recline Angles 105°, 120°, 135°
- Arms
- 720° armrest system: 360° rotation, 20° flip, 4.33"/110mm front-back, 1.97"/50mm height8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
- Headrest
- 4D Dual-Axis Headrest: 70° rotation, 1.77"/45mm height, 2.17"/55mm front-backUltra-wide 3D headrest, adjusts in three directions
- Lumbar support
- 3-Zone Floating Wings with AI smart lumbar tracking: 1.97"/50mm electric front-back, 1.77"/45mm manual up-down, 10° auto-adaptDomino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
- Warranty
- 5 years on five-star base, gas lift and casters; 3 years on tilt mechanism, height adjustment, lumbar system, armrests and backrest frame3 years (covers manufacturing defects)
Questions
Which is cheaper, the HBADA X7 Smart or the SIHOO Doro C300 Ultra V2?
The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $1,509 for the HBADA X7 Smart at the brand stores (Oct 2026).
Which has a headrest?
Both: the HBADA X7 Smart as standard and the SIHOO Doro C300 Ultra V2 as standard.
HBADA X7 Smart: specs, reviews, where to buy →SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →



