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

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          Description Customers Reviews
          Color Black
          Product Dimensions 30.31"D x 13.39"W x 25.59"H
          Back Style High Back
          Special Feature Adjustable Lumbar, Adjustable Height, Ergonomic, Adjustable Headrest

           

          • ★ 【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.

           

           

           
           
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          M57
           
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          m57
           

          SIHOO Ergonomic Office Chair

           
           
          Customer Reviews
          4.4 out of 5 stars
          6,340
          4.7 out of 5 stars
          98
          4.4 out of 5 stars
          12,507
          4.4 out of 5 stars
          824
          4.2 out of 5 stars
          257
          4.3 out of 5 stars
          734
          Price
          $189.99 $139.99 $129.99 $249.99 $299.99
          Headrest Type
          2D 55''x28'' Whole-Piece Desktop 2D 2D Integral headrest 3D
          Armrest Type
          3D Adjustable Height:28.3-47.2" 2D 3D 4D 3D
          Recline Angle
          110°-116°-126° Double Cross-beam Structure 108°-118°-128° 110°-130° 98°-135° 92°-100°-112°
          lumbar Support
          2D 132LBS Max Load 2D Split 2D Lumbar Support Dual Dynamic Lumbar Support Dynamic Lumbar Support
          Seat Width
          51 cm(20.08") Ultra Quiet Design<50dB 51cm(20.08") 52cm(20.47") 51 cm(20.08") 51 cm(20")
          Seat Depth
          46 cm (18.11") 30,000 lifting tested 45 cm(17.91”) 48 cm (18.9") 38.5-43.5 cm(15.16-17.13") 42 cm (16.54")
          Backrest Height Adjustment
          / Colors: Black, Walnut, Oak / / 5-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") 46-54 cm(18.11"-21.26") 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") 112-127 cm(44.09"-50") 107-128 cm (42.13"-50.40")
          Service
          Lifetime Service motor:1-year;whole desk:3-year Lifetime Service 3 Year 3 Year 3 Year