Upgraded 4D Full-Body Massage Chair Recliner — Zero Gravity SL-Track with AI Body Scan, Heating, Calf Kneading, Rocking Sleep Mode, Airbags, Foot Rollers, 18 Auto Modes

- Advanced 4D SL-Track: Upgraded 4D massage mechanism with a 55\" SL-track that follows the spine from neck to thighs, providing over 50% more coverage than standard models. - Smart Body Scan & Controls: Automatic shoulder and body scan ensures targeting for all heights; control via AI voice, large LCD, mobile app and shortcut keys. - 18 Auto Modes & 6 Pro Techniques: Offers 18 preset programs plus six professional techniques including Shiatsu, tapping and kneading, combined with 3D air compression for tailored therapy. - Heating & Calf Support: Integrated waist and calf heating plus added calf kneading to relax muscles and improve circulation from neck to feet. - Foot Rollers & Adjustable Footrest: Deep foot-roller therapy stimulates reflex points; extendable footrest adapts to different user heights for family use. - Zero Gravity & Rocking Sleep Mode: Three adjustable zero-gravity positions reduce spinal compression; custom rocking motion enhances comfort during massage. - Bluetooth Audio & Easy Mobility: Built-in Bluetooth 3D speakers for immersive sound, phone holder and bottom rollers for effortless ositioning. - Safety, Warranty & Support: Meets international safety and quality tests; lifetime structural and motor warranty with 24/7 one-on-one professional support.