[Comfort]: A with a flexible Velcro fastener can be stretched to conform to the natural curve of your body. It works neatly under your clothing without exposing a single bump or jet. [Temperature adjustable]: The temperature can be divided into three levels for setting, 40 C for daily uterine care; 55 C for body weakness before and after menstruation and increased humidity; 65 C for women with frequent dysmenorrhea. [Wearable]: This belt can be used with portable mobile devices, USB interfaces, laptops, and car interfaces to relieve your pain no matter where you are. [Washable]: Made of graphene and lycra fabric, can be washed and reused, no bacteria, no dirt, clean and hygienic. [Applicable]: This strap has fine workmanship, stylish appearance and convenient wearing. It is suitable for people with menstrual back pain, dysmenorrhea caused by palace cold, cold hands and feet, cold diarrhea in the stomach, stomach discomfort caused by stomach cold. The most important properties of the heat pillow at a glance: 3 illuminated temperature levels Electronic temperature control Security system Washable cotton cover Packing list: warm belt * 1(Excluding mobile power)