Ready to use without any assembly or personal effort. Features an ergonomic and extra-long L-shaped curved massage roller with remote control, intelligent body scanning, and smart detection system that identifies different body shapes and automatically senses body curves for precise massage. Double 4D V-shaped massage - Deep hand massage mechanism with a wide range of effects including 3D effects, shoulder grab, kneading, tapping, kneading, and Shiatsu. Zero Gravity - Recline the massage chair to within 2 inches of the wall with automatic foot extension. Zero gravity angles of 135 and 118 degrees simulate space travel, elevating the thighs and legs above the heart for pressure-free relaxation. Reduces spinal pressure and improves blood circulation. Automatic Posture - Better understand your body and mind. | 5 smart memory functions for customization and saving according to different body shapes and requirements. Full-body air massage with 26 surrounding airbags to relieve fatigue with heat therapy (back). Custom Massage Mode - According to instructions, quickly adjust width, speed, intensity, and range for precise massage. Product Dimensions: 142 x 55 x 108 cm; 113 kg