#2005 Extra Wide Seat Massage Chair Full Body, SL Track Zero Gravity Massage Chair Recliner with 12 Modes, Bluetooth, Body Scan, Foot Roller & Airbags MassageIntelligent detection of shoulder position, adjusting massage position and back width to ensure a 100% perfect fit to your body's curves for precise massages. Designed with a wider seat, it is especially suitable for individuals weighing up to 550 lbs and up to 6'3" tall. The massage chair comes equipped with a 3D mechanism and SL type guide rails. It offers 12 automatic massage programs and 6 massage techniques, with 90% simulation of human massage