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

★ 【Features】The SIHOO ergonomic chair comes with an adjustable headrest for easy and comfortable neck tilting. The lumbar support bracket can be adjusted freely for height and depth. The 3D adjustable armrest is suitable for various office applications. The backrest can be adjusted from 90° to 126° for different work positions. The chair also features a 3.15-inch lift, 360° rotation, and 3D armrests for freedom of movement. ★ 【Ergonomic design】Endorsed by the Ergonomics Application Association, the SIHOO ergonomic office chair is designed based on the dynamics of the human body. The backrest mimics the human spine to release pressure, while the waterfall arc seating design provides comfortable thigh support. SIHOO is committed to ensuring your comfort. ★ 【Material】The aluminum base of our home office desk chair is stable and durable, with high-quality bearing. The silent casters allow for noise-free movement, and the double back frame design ensures stability and durability. ★ 【Design】SIHOO represents the collective wisdom of professionals in various fields, including the human body, physiology, product design, and mechanical engineering. Every aspect of the chair is designed to be comfortable and safe, with rigorous safety testing on every small part. From cushion impact tests to handrail fatigue tests, the chair meets strict office chair standards. ★ 【Warranty】The product comes with a three-year warranty. In case of any quality issues, please contact us for a replacement accessory. We guarantee to provide zero-profit product accessories within the warranty period.

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