Sihoo M56 Ergonomic Entry Edition Reclining High Back Computer Chair (Steel Feet｜Fixed Armrest)

Fully adjustable custom-made comfortable ergonomic high-back computer chair

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Six Ergonomic Designs
Fully adjustable, sit comfortably all day:

1. Flexibly lift the back of the chair to accurately support the lower back
2. Net + cotton, soft elastic activity support
3. Multi-dimensional adjustable headrest
4. Crescent curved armrest
5. W Arc Ergonomic Seat Cushion
6. 135° large angle can lie down

flexible lift chair back
Accurately support the lower back, 6cm lifting height is adjustable Suitable for height: 155-185cm users

Y type thickened
Bracket design, back-to-back technology, mechanical pressure division, stable support.

Net + Cotton Active Lumbar Pillow
5CM can be adjusted up and down to match the comfortable height of the lumbar support.

advanced structure
Rigorous workmanship, comfortable upgrade, strict quality control.

Multi-dimensional adjustable headrest
The 30cm wide headrest helps to support the head and share the stress on the cervical spine.
It can move up and down 9CM, can rotate 45°, adjust the height of the headrest up and down, and fit the range.

Crescent arc handrail
Crescent arc design, made of PP material, comfortable touch, firm fit, strong support for the arm.

W Arc Ergonomic Seat Cushion
It does not oppress the thighs and fits comfortably. The W curved surface is designed to imitate the lines of the human buttocks. The pressure distribution of the cushion is reasonable, which meets the requirements of ergonomic specifications.

native sponge
Soft and comfortable sponge, strong rebound, not easy to deform after sitting for a long time.
Double-layer sponge whole piece cutting process elastic sitting feeling breathable and refreshing

135° large angle can lie down
Solve the problem of fatigue during lunch break, and store energy for healthy lunch break.
Lie back and lock freely.
105° focus on office
135° comfortable lunch break

All steel
Stable and durable, the bifma-certified three-level air pressure rod is stable and durable, 120,000 times of lifting and lowering tests, the United States BIFMA test, smooth lifting, safe and stable.

After quenching and strict quality control
Standard test, 8000 times seat back and cushion load 57kg
110kg back pull test
175kg armrest test
80,000 chair back pushes 34kg
98,000 chair wheel sliding tests
100,000 seat impacts of 57kg
120,000 air pressure rod lifting tests passed the implementation standard: QB/T 2280-2016
Tested by the product testing laboratory of Sihoo R&D Department


Product parameters

• Dimensions: 106-130 x 66 x 64cm
• Height adjustable: 24cm
• Cushion Width: 50cm
• Chair back height: 68-74cm
• material: metal
• Metal Material: Steel
• Fabric Material: Mesh
• Whether it can be lifted: yes
• Is it rotatable: yes
• Whether it can lie down: yes
• Five-star foot material: steel foot
• Armrest Type: Fixed Armrest
• Whether to support ergonomics: Yes
• Due to the fact that the size is all measured by hand, there may be slight errors, please refer to the actual product
• Made in China, or contain simplified Chinese packaging and instructions
• The design is safe, non-toxic and odorless. The special wear-resistant surface treatment is not easy to be stained with dirt, and it is easier to clean. In addition, the concave-convex design is helpful for anti-slip and fixation.