Ergonomic Office Chair YOLEO Gaming Chair Ergonomic Computer Gaming Chair Adjustable Armrest Hldirect Gaming Chair Instructions VECELO Office Chair Fabric Swivel Ergonomic Swivel Task Chair in Black... ❺【Worry-free after-sales service guarantee】 Assembly guide (average installation time <15 minutes) 30-day unconditional return and exchange + 12-month core component warranty Customer service team response time <2 hours ❶【Large space ergonomic design】 Enlarged seat designed for adults (21 inches long, 21 inches wide, 51 inches high, adjustable height) Triple support system: adaptive high back headrest + 3D lumbar support + widened arc backrest BIFMA certified military-grade structure, maximum load-bearing 400 pounds (about 180 kg) Gaming Chair, Computer Chair with Footrest and Lumbar Support, Ergonomic Video Game Chair with Headrest, Height Adjustable Gamer Chair ❹【Industrial-grade durable structure】 20mm thickened steel frame, rubber casters passed 100,000 durability tests Silent universal wheels, passed ASTM roller test (1000 miles wear rate <3%) Level 3 explosion-proof gas rod, compliant with EN ISO 12585 standard SDI Cable 2PCS 75 Ohm BNC Rg179 Coaxial Cable - SAA Cable and Audio/Video
