SPACECARE Kneading Massage Shiatsu Pillow With Heated Balls For Car-SMA003(Black) Ergonomic U-design fits perfectly against the contoured shape of your neck & back Light and slim design, fashionable leather look, clean easily This machine has 2 options. One option is only kneading massage without heat. Another option is kneading massage with heat and rotating in different direction 4 Deep-Kneading Shiatsu Massage Nodes with smart circuit over heat protection soothes aching muscles and can be turned on & off with ease Perfect Massage Spot & Intensity, The intensity of the massage can be increased or decreased depending by how hard you press against it