[Relieve neck pain] The neck massager has a built-in thermostat that warmly penetrates the neck skin at 107 degrees Fahrenheit and deeply relaxes the neck muscles. Use for 15 minutes each time. Use twice a day. [Significant cervical massage effect] The cervical spine massager uses electrical pulses to be conducted to the deep layer of the skin, and uses electrical pulses to simulate various massage methods to achieve deep relaxation of the cervical spine. [3 modes, 15 levels of intensity to relieve neck pain] Long press the switch button for 3 seconds to start, 3 massage modes, 15 levels of intensity and heat function can be adjusted on the remote control, the operation is very simple. [Soft silicone material] skin-friendly, breathable, no pressure on the carotid artery. The U-shaped neckline is closer to the skin and fits the neck size and neck curve of different people. [Lightweight, comfortable to wear] Say goodbye to the bulky neck massager, which weighs only 5.6 ounces and is equipped with a large-capacity battery. Compatible with USB charging for 1 hour, 15 minutes of use per day, 10 days of work.