Hand-simulating 4D massage creates a real massage experience You can also choose a heating function if desired. Great relaxation after a long day! Penetrating and kneading massage to soften tense muscles. 4D massage heads provide a hand simulation for a real massage experience. With removable, washable cover. 4 kneading rollers and 2 knots. Selectable heating function. 2 intensity levels + 1 massage mode. Clockwise / Counterclockwise rotation. Practical handles to control the intensity of the massage. Automatic shutdown. Power 24 watts.