1) Available material: PVC, PU, Half leather, Leather 2) Designed with a four-wheel driven massage m 1) Available material: PVC, PU, Half leather, Leather2) Designed with a four-wheel driven massage muted massage chair mechanism, whichcan move up and down in the backrest.3) Programmed with the emulational massage functions of Shiatsu, kneading, flapping,tapping, synchronous kneading and tapping.4 ...