Electric Pulse Neck Massager Cervical Vertebra Impulse Massage Physiotherapeutic Acupuncture Magnetic Therapy Relief Pain ToolFeature: Ergonomics. The massager adopted U shape, is in accordance with the streamline and ring type design of human neck cervical. What's more, the neck strap can be adjusted to 160, you can adjust it freely. 6 modes transferable and 10 kinds of intensity adjustable. You can choose any mode or intensity according to your need. Magnetic effect. The built in magnetic can massage human acupoint, which can balance the nervous system, improve the oxygen