The iDOO electric heating pad for menstrual cramps using upgraded fast heating technology with high thermal conductivity. Suitable for warming the uterus waist abdomen stomach back arthritis and more. The portable heating pad has 3 adjustable temperature settings and 3 vibration massage modes allowing you to select the most appropriate settings. It has a comprehensive overheat protection function that ensures your safety and health by turning off automatically after 30 minutes. The heating pad is made of high-quality soft breathable fabric and comes with an adjustable elastic belt that stretches up to 40 inches making it suitable for any waist size. Additionally the iDOO cordless heating pad comes with a carrying bag allowing you to take it with you wherever you go. Heat therapy for back waist belly has a built-in 2000 mAh rechargeable battery that can last for up to 4 hours when fully charged. The Type C USB rechargeable design makes it easy to charge the heating pad anytime and anywhere. This pink period device is suitable for various situations such as resting working studying driving and doing yoga. It s also a great choice of gifts for women and girls on birthdays Mother s Day Valentine s Day anniversary Christmas New Year s and other festivals.