Adjustable Temperature & Massage LevelsThe heating pad has 3 adjustable temperature levels: 50/55/60C. 50C for daily warm belly, 55C for menstrual care, and 60C for dysmenorrhea relief. And it has 3 massage modes: low/medium/high frequency. You can set the appropriate temperature and vibration mode according to your different states and needs, so that it can better relieve your menstrual pain.3 Seconds Fast Menstrual Heating PadOur menstrual heating waist belt uses graphene heating technology. Once the device is powered on, it will fastly heat up. It will heat up quickly in 3-6 seconds and effectively drive away the cold and relieve women's menstrual pain and cramps. Beware of Burns! Please use it with clothes on. Don't straightly touch the skin.Portable & USB RechargeableThe heat and massage period belt weighs about 150g. It is lightweight and easy to carry. Put it in your bag or suitcase when you go out, it does not take up space. Heating pad can be charged at the USB port of the computer or power bank. It can be used for up to 2-3 hours when fully charged. You can use the period cramp relief device to relieve your pain anytime and anywhere.Quiet & Skin-friendly DesignThe period heating pad is quiet and noiseless during the use. You can use it when you are working or studying, but we don't recommend using it while sleeping. The heat pad for cramps is made of skin-friendly soft plush and the waistband is adjustable up to 50", which is comfortable for women and girls to use. Use the heating pad without worry.Suitable for Most SituationsOur menstrual heating pad is suitable for various situations such as working, studying, and doing yoga. Let the period heating pad relieve you of period pain or cramps, or use it on the lower back to relieve back pain, making life more comfortable. In addition, it's also a great choice of gifts for women and girls on birthday/Christmas/New Year and other festivals.Products include: 1* heating belt