Gaming Chair,Ergonomic Computer Gaming Chair,400lb Load-Bearing,Retractable Footrest/Waist Support/Ergonomic Backrest[Spring + 4D Sponge] (Grey)

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• 【Large-area ergonomic design】Extended seat designed for adults (22 inch length, 21 inch width, 51 inch height, adjustable height) Triple support system: adaptive high back rest + 3D lumbar support + extended back rest BIFMA certified military grade construction, maximum load bearing capacity 180 kg.
• 【Full-scene multi-mode setting】90°-155° unlimited tilt + 360° rotating chassis Intelligent connection armrest: automatically folds when lying flat to protect elbow support Hidden telescopic footrest (can be extended up to 26 inches), instantly converts into a nap bed
• 【Military level comfortable seating feeling】 4D cold foam sponge layer + high elastic spring (density ≥65kg/m³) anti-collapse race breathable hollow back panel, 40% more breathable Fully wrapped side wing design effectively disperses hip pressure
• 【Industrial grade durable construction】20mm thickened steel frame, rubber wheels passed 100,000 durability test Silent universal wheels, passed ASTM cylinder test (1000 miles wear rate <3%) Level 3 explosion-proof throttle bar, conforming to EN ISO 12585 standard
• 【Worry-free after-sales service guarantee】 Assembly guide (average installation time <15 minutes) 30 days unconditional return and replacement + 12 months main component warranty Customer service team response time <2 hours