Features:Three-level constant temperature fomentation, providing a comfortable massage experience.The third-generation EMS pulse massage effectively relieves neck fatigue.Patented three-massage head design, fully covering neck acupoints.15 levels of intensity, 4 massage modes, meeting different needs.L-shaped balance design, fits well when worn, and does not easily slip off.Special reminder: Pregnant women, those who are ill, in the recovery stage after surgery, undergoing treatment, and patients who feel abnormal, as well as those with high blood pressure, heart disease, arteriosclerosis and cerebral thrombosis, malignant tumor patients and osteoporosis patients, infectious disease patients, patients with skin sensory disorders or abnormal skin, and those who are uncertain about their health, please do not use this product.