SIHOO M57 Ergonomic Office Chair with 3 Way Armrests Lumbar Support and Adjustable Headrest High Back Tilt Function Black

Product Description
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Price
$224.43
$
224
.
43
$179.98
$
179
.
98
$199.98
$
199
.
98
$298.98
$
298
.
98
$208.99
$
208
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99
$439.99
$
439
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99
$619.98
$
619
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98
Headrest Type
2D
2D
2D
3D
2D
3D
3D
Armrest Type
3D
2D
3D
3D
2D
3D
3D
Recline Angle
90°-116°-126°
108°-118°-128°
110°-130°
110°-125°
110°-135°
92°-100°-112°
92°-100°-112°
Lumbar Support
2D
2D
Split 2D Lumbar Support
Dynamic Lumbar Support
Dynamic Lumbar Support
Dynamic Lumbar Support
Dynamic Lumbar Support
Seat Width
51 cm (20.08")
51cm (20.08")
52cm (20.47")
51cm (20.08"）
51cm (20.08"）
51 cm (20"）
51 cm (20"）
Seat Depth
46 cm (18.11")
45 cm (17.91”)
48 cm (18.9")
43.5cm (17.12")
43.5 cm (17.13")
42 cm (16.54")
42 cm (16.54")
Backrest Height Adjustment
/
/
/
/
/
4-segment adjustment
4-segment adjustment
Seat Height
46-55 cm (18.11"-21.65")
44-54 cm (17.32”-21.26”)
45-54 cm (17.72"-21.26")
46-56 cm (18.11"-22.04")
46-56 cm (18.11"-22.04")
41-49.5 cm (16.14"-19.49")
41-49.5 cm (16.14"-19.49")
Overall height
107-123 cm (42.12"-48.42")
109-127 cm (42.91”-50.00”)
117-126 cm (46.06"-49.60")
113-134.5 cm (44.48"-52.95")
112-131 cm(44.09"-52.57")
107-128 cm (42.13"-50.40")
107-128 cm (42.13"-50.40")
Service
3 Years
3 Years
3 Years
3 Years
3 Years
3 Years
3 Years
- 【Features】SIHOO ergonomic chair with adjustable headrest can make neck tilt easily and comfortably, adjustable lumbar support bracket for free adjustment of height depth, 3D adjustable armrest for different office applications, 90°-126° arbitrary backrest adjustment for multiple work positions, any switch 3.15 in lift, 360 ° Freedom to rotate freely 3D handrail.
- 【Ergonomic design】SIHOO ergonomic office chair is recommended by Ergonomics Application Association. SIHOO's ergonomic design is based on the human body dynamic digital model. The ridge backrest and the human spine are exactly the same. The close fitting helps release the spinal pressure. The flow waterfall arc seating design Thigh support is comfortable, SIHOO will make you more comfortable.
- 【Material】Our home office desk chair aluminum base is stable and durable, bearing quality is good. Silent casters move freely without noise. Double back frame design, stable and durable.
- 【Design】SIHOO is the crystallization of the common wisdom of many professionals in human body, physiologist, product designer, mechanical engineer，does its best to make every step comfortable and safe for every customer. Every small part has strict safety quality testing. Cushion impact test, handrail fatigue test, chair foot static pressure test, in line with the strict standards of office chair.
- 【Warranty】Product warranty period is three years. If there is any quality problem, please contact us. After confirming, we will change the accessory for you. We promise to provide you with zero profit product accessories within three years of the warranty period.