Auslittle Ergojust A8 Ergonomic Office Chair Lumbar Support Fully Adjustable

4D adjustable headrest, nylon and aluminum frame, import mesh, 3D PU armrests, and a wire-controlled chassis meeting BIFMA and QB2280 standards. Chair Specifications Summary Headrest: 4D nylon, multi-angle adjustment with a clothes hanger. Backrest: Nylon and aluminum frame with imported mesh and double-waist support design. Armrests: 3D polyurethane (PU) with height, depth, and angle adjustments. Seat: Imported mesh with automatic weight-sensing adjustment. Chassis: Wire-controlled with height adjustment, tilt lock, and 5cm forward/backward sliding seat. Base & Casters: 700mm aluminum base with 60mm PU casters. Standards: Complies with BIFMA and QB2280 safety and durability guidelines. ★ 【warranty】 Three years. If there are any quality problems, please contact us. After confirming, we will provide a replacement part or product at zero cost to you!