[Professional cervical spine massager] The cervical spine massager stimulates the neck tissue through safe low-frequency pulses, which helps to improve the blood circulation of the neck. It can effectively improve the stiffness and pain of the neck and improve the quality of sleep. [Powerful Functions] 6 massage modes, 20 intensities. Ultra-quiet work, even in the office, you don't have to worry about disturbing others. [Light and Comfortable] The neck and cervical spine massager is ergonomically designed, the skin-friendly silicone material is comfortable to touch, the 2/4 metal pads can float 360°, and the elastic massage arm is used to make the massager closer to the skin.