The Osaki OS-3000 Flagship Massage Chairs feature their Zero gravity design and a set of S-track movable intelligent massage rollers that focus on the neck, shoulder and lumbar according to your body curve. They automatically detect the whole body curve as well as make micro adjustments, which brings more humanistic and scientific massage enjoyment. Designed with six unique auto-programs, as well as an automatic massage for the upper body (shoulder, neck, back and lumbar), the low body (buttock, thigh, calves and feet) and a Manual massage for the upper body with three options, full body, partial and fixed. Six Massage styles - rolling, kneading, clapping, shiatsu, Swedish and combo, with five levels of speed & intensity, as well as three kinds of width adjustable settings, Wide, Medium and Narrow. Also featuring air pressure massage for your back (two airbags), with five intensity options. Air pressure for lower body (twenty-six airbags), with five intensity options and a powerful vibration massage for buttocks. Calf rest can be lifted and stretched, backrest can be lifted.