3D deep massage movement and waist and hip massage movement , equiped with dual detection system adding a variety of massage techniques for initial use, user are comfortable and enjoyable, u shine or u crown massage chairs with multiple fuctions including 3D deep massage movement , Lower back and hip massage movement with foot Roller Movement have Heat Therapy massage with stable performance , Heat therapy and for- infrared therapy with zero gravity simulation, 90 degree_ 120 degree sitting mode( foundation of relaxation), 120 degree- 150 degree sitting mode ( Progressive muscle relaxation) and 150 degree _ 180 degree ( Total comfort zone).