Working environment Adopted U-Shaped Massager Conforms To Aerodynamics And Ring Type Design Human Cervical Neckline. Also, the neck tape can be adjusted to 160, you can adjust it freely. 6 Portable Media 10 Kinds of Adjustable Density. You can choose any mode or density according to your need. Magnetic effect Built in magnetic can massage human acupressure points, which can balance the nervous system, improve oxygen supply, microcycle and cell tissue nutrition state. Electric pulse massage. It Can Repeatedly Stimulate Acupoint Nerve Promote Metabolism, Relax Muscle And Eliminate Pain, Etc. Smart 3D adaptation technology. You can easily adjust the pole according to the curved neck. Electrical correction Combines a variety of massage techniques in traditional Chinese medicines, promote blood circulation, massage coverage wider. Massager can be used on neck and back, legs, waist and so on, applicable to the whole body. Note It Is Recommended To Use Your Neck Wet Towel Before You Wear It And Make The Instrument Perfectly Near Your Neck, Otherwise You Will Feel The Tingling Neck And Rashes.