The Osaki AI Vivo 4D 2D Massage Chair uses cutting-edge technology with a variety of advanced features including an 8-Roller System and unique Arm Rollers to provide a personalized and pleasant massage experience. It has a dual massage mechanism system that includes four 4D rollers throughout the back and four 2D rollers at the bottom of the track that cover the glutes and top of the hamstrings. This cutting-edge massage system is powered by AI technology, which tailors the most effective treatment based on your body's current state. The Osaki Vivo massage chair is meant to provide a peaceful and therapeutic experience, whether you want a deep tissue massage or a moderate relaxation session from head to toe. and find out why the Vivo is one of the .