21 Ergonomic Design: The menstrual relief pad has an upgraded arc design that fits the body more comfortably. The heating surface is wider and provides more even heat dissipation. The waistband is adjustable to fit up to 57 inches, ensuring a comfortable fit. The soft velvet fabric cover is lightweight and breathable, providing optimal warmth and comfort to your body. Multiple Modes: Equipped with an intelligent graphene heating chip, this cramps relief heating pad can effectively heat up in 3-5 seconds, accelerating blood circulation and relieving pain. The period cramp heating pad offers 3 switchable temperature settings: 122/ 131/ 140, and also has an 3 vibration modes for warming the uterus and protecting the stomach, abdomen, and waist. Intuitive to Use: The Latumab heating pad for menstrual cramps features a unique LED display that allows for easy temperature control. With a built-in 1800 mAh battery that can be charged via USB, this cramps relief heating pad can work continuously for 3-4 hours. Wearable Cordless Heating Pad: Lightweight and portable with a rechargeable design frees you up for other things. You can use it whenever you are working or resting, wherever in the car, or in bed without ever having to take off the device. Care Gifts for Her: The period heating pad for cramps is not only for menstrual cramps, but also for back, belly, and waist pain. It is a great gift idea for women on special occasions like Valentines Day, Birthday, or Mothers Day.