HOFFREE Executive Office Chair with Massage and Heat Big and Tall Computer Chairs with Flip-up Armrests High Back PU Leather Chair with Lumbar Support Swivel PC Chair with Rocking Function Black

Heat and Massage Function This executive office chair features targeted lumbar support with two built-in vibrating motors, offering vibration massage and a 3-level heating function to help relieve fatigue after a long workday. (Note: Only vibration function—no kneading), Ergonomic Design This big and tall office chair is built for extended sitting, featuring an S-shaped backrest that supports the neck, back, and lumbar region to reduce spinal pressure. The seat cushion combines upgraded high-density foam with independent spring coils, ensuring optimal support and lasting comfort—even during long work sessions, Enhanced Stability and Durability Built with a robust metal frame and a heavy-duty base,class 3 SGS Certificated Gas Cylinder,this high back office chair is engineered for stability and long-lasting use, making it a reliable choice for daily office work, Flip-Up Armrest and Swivel Casters :90° flip-up armrests make it easy to store the ergonomic office chair under your office desk or sit comfortably cross-legged, ensuring adaptability to a wide range of settings.Additionally, the chair features a smooth 360-degree swivel motion, allowing effortless movement around your desk space, Synchro Tilt and Tension Control Simple pneumatic controls let you raise or lower your seat and rock back in your leather office chair. Pull out the handle (right side of the chair) to tilt back. Underneath tilt tension knob controls the tension of reclining