NAME: Relieve Menstrual Pain Abdominal Belt, Prohibited people:, Patients with severe heart disease are prohibited from using moderate and severe cardiovascular diseases. It is forbidden to use for patients with skin sensation disorders or skin abnormalities. It is forbidden to use it for patients who suffer from gout or have not fully recovered from gout during the onset of the disease. Patients with cervical cancer are prohibited from using it. Prohibit pregnancy., Rated Voltage: 3.7V, Function: Vibration Massage, Temperature: 39-50„ƒ, Battery Capacity: 1800mAh, Weight: 180g, Charging time: About 3-4 hours to fill, Product Include: 1*Warm & massager Belt, 1*USB Cable, 1*Manual