Menstrual pain heating pad treatment hot air compression relief warm female personal massager menstrual relief patch use: portable electric heating pad device using usb charging is more convenient, three different temperature adjustable and three different high frequency vibration frequencies, you can choose the mode according to your needs. Automatic design: The portable heating pad is designed to close automatically, and if you fall asleep during use, our products will automatically turn off within 30 minutes of detecting your activity to ensure your safety and health. If you want to use it again, turn it again. Portable: Small footprint, easy to carry, ready to use. Note: Heat pads generate heat efficiently and quickly, so please choose the lowest level when using it for the first time, it is important that direct skin is not allowed with the device. Application: Use our products in different scenarios, whether you are resting, reading, driving or working, it will not affect you much. Washable design, not easy to deform, 3-level temperature adjustable, can be adjusted as needed. Take care of health, improve cold hands and feet, relieve menstrual pain