PACKAGE CONTENT: 1pc plug-in electric menstrual relief pad with long cord*NOTE plug-in type, only works when the cable being connected, non-rechargeable*, 1pc USB extension cable, 1pc carrying bag, 1pc user manual, the overall color is cute pink, wonderful gift for girlfriend, female friends, and families AUTO SHUT OFF WATERPROOF: The built-in graphene heating chip is wrapped by TPU waterproof layer for great insulation and waterproof effect, no risk of electric shock, and washable without removing heating chip and other accessories, convenient to clean and maintain, and it will shut off automatically in 45 minutes to prevent skin burn 4 HEAT SETTINGS: Instant head design, It will heat up in 3 seconds, It can operate the right temperature which you feel comfortable, and the built in NTC thermostat layer can keep it from being too hot or too cold, must have for cramps, endometriosis or ache muscles, a good warming to provide pain relief and comfort during period PORTABLE EASY TO USE: Thin and lightweight enough to travel and hiking, and it comes with storage bag for easy carrying around, univeral USB port, can be powered by power bank, laptop, etc(power bank not included) HUMANIZED DESIGN: You can adjust the tightness of this heating pad by hook and loop closure, and It fits on your abdomen snug and securely, great for lower back, shoulder, not easy to sliding around, and the surface of this warming belt is skin-friendly lycra, comfortable to wear