【Three electrical nerve stimulation modes】The neck massager is equipped with transcutaneous electrical nerve stimulation function, with two stimulation modes, each with 15 intensity levels, which transmits electrical pulses to the intact skin behind the neck through the neck electrode pad to help users temporarily relieve pain.【Constant temperature heating function】The heating function has only one mode, which can provide a constant temperature of 32℃ to 38℃, bringing a warm and comfortable feeling. The stimulation function and heating function can be used separately or simultaneously, providing more choices.【Neck electrode pad design】The neck electrode pad provides users with electrical stimulation and heating behind the neck, effectively warming and soothing the muscles behind the neck, relieving tension and pain.【Convenient manual button control】The device is equipped with four buttons, namely the on/off button, mode switching button, heating button, intensity increase button and intensity reduction button, and users can easily adjust the intensity level of the electrical stimulation and heating functions.【Wide range of application】This neck massager is suitable for temporarily relieving muscle soreness behind the neck caused by exercise or daily home and work activities. It is an ideal choice for relaxing after exercise or relieving daily work stress.