The neck massager has a built-in new thermostat, which can gently penetrate into the neck skin and deeply relax the neck muscles. Use it for 15 minutes each time and use it twice a day. It relieves neck pain throughout the day and is skin-friendly. The breathable soft silicone material makes There is no pressure on the carotid artery, and the U-shaped neck is closer to the skin, which is suitable for different people's neck sizes and neck curves.