... of shoulder grasping,kneading, tapping, shiatsu, kneading&flapping and 3D; five massage speedlevels available; under tapping and shiatsu massage ... next, volume up, volume down.9. Back heating function. Use carbon fiber as infrared heating source10. The footrest can be ... :10pcs15.Head Cushion Adjustable:20cm16.Magnetic Therapy function:4pcs17.3D massage chair18.4 Auto mode19.VFD controller20.Noise:<=58 ...