13 Temperature: Level 1 of 50 for daily warming of the uterus, level 2 of 55 for menstrual care, and level 3 of 60 for dysmenorrhea care. Different levels of vibration can also be used to relieve pain. 2Quick Heating: The metal heating film releases far infrared waves to subcutaneous tissue through electrification, driving out cold energy and effectively reducing menstrual pain. 3High in Safety: Intelligent safety chip, continuous heating at a constant temperature for hot compress, built in intelligent chip for multiple protection, taking care of your safety. 4Enjoy the Message: Vibration massage, close to the waist and abdomen, multiple massage points, massage acupoints, fundamentally alleviate the pain. 5Practical Use: Heated waist belt with large heating area, provide hot compress for multiple parts, help relieve dysmenorrhea and lumbago.