... therapy, 45~65C far-infrared heating can penetrate up to 3 inches deep into muscular.3. Vibration ... sensor, has no “PAUSE” function. 7. Is it real JADE?Pure XIUYAN jade, contain plenty of minerals ... so they use DANDONG stone or jadeite, after heating it up, which can emit harmful element to breath system. 8 ... curve. Other Brand:Upper part can be turn up 45°,but leaning against such bed, spine is ...