Check the listing for details. NEWTRAL MagicH-BPro Ergonomic Chair with Footrest Auto Adaptive Lower Back Black. Color: Black, Condition: New. Listed at 419.52 USD. HIGHLIGHTS： Patented Auto-Following Backrest NEWTRAL MagicH-BPro Ergonomic Chair automatically adjusts to your back movements and offers you constant support, also promoting a natural S-curve for your spine when locked. Studies indicate that proper lumbar support reduces lumbar disc pressure by up to 50%. Renowned Experts Endorsement This chair is endorsed by experts such as Iris Sokol, an American ergonomist; Dr. Kevin Morgan, a prominent chiropractor; and Matt Penney PT, DPT, ATC from Advanced Sports Therapy. It encourages a relaxed, neutral back position, effectively mitigating and preventing injuries caused by improper postures, setting it apart from other chairs. Ultimate Comfort for WFH & Leisure The Auto-Following Headrest automatically adjusts to your head and neck movements, providing continuous and optimal support. It features a foldable footrest and is lockable across 4 key positions ranging from 96°-136° tilt, keeping you at ease continuously. This is really an ultimate WFH and leisure system. Tailored Ergonomic Chair NEWTRAL designs ergonomic chairs to meet different needs. With 4D armrests, a divided-stress-zone high-density sponge cushion, and an adjustable seat for height and depth, our chair ensures personalized comfort for long-time sitting. Suitable for people 5'3" to 6'3" tall. Guaranteed Quality It's equipped with a Class 4 SGS-certified gas lift and boasts BIFMA and EN1335 certifications, ensuring its durability and reliability. Clear instructions and necessary tools make assembly effortless for everyone. Specification： General Brand: NEWTRALType: Ergonomic ChairModel: MagicH-BPro Color: Black Specification Backrest: Mesh, Patented Auto-following MechanismWith Auto-following Mechanism: YesFootrest: YesLower Back Support Strength Adjustment: YesLower Back Support 4 Positions to Lock: YesRebound Sponge Cushion Seat: YesDivided Stress Zone Cushion Seat: YesHead Rest Adjustment: 15CM Height51 Degree AngleRecline Adjustment: 96°/116°/126°/136°Back Rest IndependentHeight Adjustment: 6CMSeat Depth Adjustment: 37.5CM to 47.5CMSeat Cover Fabric: Water Proof, Anti-StaticSeat Width: 51.8CMSeat Height: 44CM to 52.5CMArm Rest Adjustment: 4D extended; 5CM Back Forward, 2CM Inside Outside, 20 Degree Turning Around, 7CM Up DownBase: Detachable Steel Base with Five-star Wheels (Aluminum, 4+1)Chair Overall Height (in): 41.3" to 52.4"Max Weight: 300 LBS Weight & Size Product Weight: 24.5kgPackage Weight: 37kgPackage Size(L x W x H): 68*41*53cm Package Contents 2 x 4D Armrest1 x Auto-Following1 x Backrest1 x Footrest1 x Headrest1 x Divided-Stress-Zone Cushion1 x User Manual