4 shiatsu 3D-massage nodes provides deeper and non-painful massage than the traditional ones. It not only rotating kneading, it works with 3-dimension, pushing massage. There are 2 massage programs, including Auto mode and Sensor mode. It provides massage for neck, shoulder, back, waist, thigh, and calves and selectable heat to further relieve the pain and stress. Auto power off after 15 minutes. It has a home adaptor and car adaptor.