Features:Function: After using our electric heating pad, can effectively relieve your physical discomfort, such as abdomen pain, menstrual pain and waist pain. It is very necessary for girls and women with menstrual cramps.3 Levels Heat Temperature & Vibration: There are 3 temperatures, 113 ,131 and 149 or 45,55 and 65 and 3 levels high-frequency vibration massage modes. You can choose the best one mode as your needs.Wide Usage: You can use the menstrual heating pad in different scenarios, whether you are taking a break, reading, driving or working, it will not affect you too much.Wireless & Portable: This wireless portable heating pad uses USB charging which is more convenient for you to use in office, home and school.2 Colors: There are 2 colors for you to choose, white and pink. You can choose the color what you like.Adjustable Belt: The belt can be adjusted according everyone"s waist circumference easily.Specifications:Material: PCColor: White / Pink (Optional)Built-in Battery: 5V 1800mAh Built-in Lithium BatteryItem Size: 18 * 8.5 * 2.5cm / 7 * 3.3 * 1inItem Weight: 157g / 5.4ozPackage Size: 22 * 12 * 6cm / 8.7 * 4.7 * 2.4inPackage Weight: 269g / 9.5ozPackage List:1 * Menstrual Heating Pad1 * USB Cable1 * User Manual About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.