Introducing the New Warm Belt Menstrual Aunt Stomach Pain Artifact, a reliable solution for menstrual cramps and stomach pain. This innovative product is designed to provide targeted heat therapy to alleviate discomfort and promote relaxation. With a power of 5V (DC) 0.8A and input power of 5W, it delivers consistent and effective heating. The built-in lithium battery of 3.7V DC 1800mh ensures long-lasting use, while the heating temperature of 39-50 Celsius provides soothing warmth. Plus, with a quick charging time of only 3-4 hours, it is always ready to use. Say goodbye to menstrual pain with this must-have product.