{"product_id":"b0fk4ll7p5","title":"Ergonomic Office Chair Big and Tall Desk Chair, Dual-backrest Computer Chair with 3D Adjustable Arms and Lumbar Support, 500lbs Extra Wide Seat, for Home \u0026 Office Use,Green","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e✔2025 NEW DUAL-CURVED BACKREST: Featuring a double-curved backrest design that precisely contours to the natural spinal alignment, Excellent back support system with tilt-lock recline (90°~120°), this ergonomic office chair combines medical-grade posture correction with commercial durability, ideal for programmers and remote professionals.\u003c\/li\u003e\n\u003cli\u003e✔ADAPTABLE LUMBAR SUPPORT: For the back and waist tension via rear knobs allows personalized adjustment to meet your needs. Livegift ergonomic office chair provides you with effective lumbar support, reduces pressure by 32% during 8-hour work sessions, ensures your comfort and well-being during extended periods of sitting.\u003c\/li\u003e\n\u003cli\u003e✔500 LBS LOAD-CAPACITY AND DURABLE CONSTRUCTION: Orthopedic-endorsed executive chair with scientifically calibrated seat dimensions (20.1\" L × 20.1\"W × 3.9\" H). High-density cold-cure foam seat base features waterfall edge technology to enhance 18% better leg circulation versus standard chairs. Breathable mesh surface maintains 4°F cooler seat temperature during extended use, complemented by memory foam layered cushioning that adapts to hip contours while preventing pressure points.\u003c\/li\u003e\n\u003cli\u003e✔HEIGHT ADJUSTMENT AND ROTATIONAL ARMRESTS: Offers millimeter-precise adjustments: 3.2\" vertical travel, 1.6\" depth control, 15° inward tilt, and 30° rotational swivel. PU-wrapped elbow supports maintain ergonomic 90° shoulder alignment during typing tasks, reducing trapezius muscle strain by 27% according to clinical trials. Suitable for 5'1\" to 6' adult.\u003c\/li\u003e\n\u003cli\u003e✔5D ADJUSTABLE 135° ROTATIONAL HEADREST: 5-axis cervical support headrest with curved lamellar structure enables tilt (±15°), height (2\" range), and 135° rotational fine-tuning—the industry's first true multi-posture adaptation system. Automatically maintains C1-C7 vertebrae alignment during posture changes, it can decrease neck fatigue by 41% in 6-hour gaming sessions through multiple experiments and tests.\u003c\/li\u003e\n\u003cli\u003e✔QUICK AND EASY ASSEMBLY: Commercial-grade construction meets ANSI\/BIFMA testing standards, suitable for executive suites, coding stations, and esports setups. Tool-free assembly completes in 5 minutes (verified) with our instruction manual and professional installation video. Backed by 24-month full warranty including free replacement parts through manufacturer-direct Technical support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : Livegift\u003c\/li\u003e\n\u003cli\u003eColor : Headrest - Green\u003c\/li\u003e\n\u003cli\u003eProduct Dimensions : 21.7\"D x 14.6\"W x 24.8\"H\u003c\/li\u003e\n\u003cli\u003eBack Style : Split Back, Mesh Back\u003c\/li\u003e\n\u003cli\u003eSpecial Feature : Adjustable Backrest, Adjustable Headrest, Adjustable Height, Ergonomic\u003c\/li\u003e\n\u003cli\u003eMaterial\nPlastic : Item Weight\n15.2 Pounds\u003c\/li\u003e\n\u003cli\u003e : Material\nPlastic\u003c\/li\u003e\n\u003cli\u003e : Item Weight\n15.2 Pounds\u003c\/li\u003e\n\u003cli\u003eFrame Material\nPlastic : Seat Material Type\nMemory Foam\u003c\/li\u003e\n\u003cli\u003e : Frame Material\nPlastic\u003c\/li\u003e\n\u003cli\u003e : Seat Material Type\nMemory Foam\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Livegift","offers":[{"title":"Default Title","offer_id":52292037148951,"sku":"B0FK4LL7P5","price":539.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/9148\/9815\/files\/811cFmG2TUL._AC_SX679.jpg?v=1771404299","url":"https:\/\/oakverahome.com\/products\/b0fk4ll7p5","provider":"Oakvera Home","version":"1.0","type":"link"}