The Osaki OS 4000 is also designed with a set of S-track movable intelligent massage robot special focus on the neck shoulder and lumbar massage according to body curve. It automatically detect the whole body curve as well as make micro adjustments which brings more humanistic and scientific massage enjoyment. Pre-programmed with 6 unique auto-programs: Healthcare Relax Therapy Smart Circulation and Demo. And the ability to do 6 different types of massage styles: rolling kneading clapping shiatsu Swedish and combo. There are 5 levels of speed and intensity. As well as 3 adjustable width settings. A total of 33 air