USB heated underwear is an ideal outerwear for travel, work and entertainment. It is lightweight, comfortable, breathable, and has an integrated heating system that provides hours of core body warmth and continuous heat in the cold winter, making it adapt to our lifestyle and the changing weather around it.Universal USB interface: Universal USB power interface, powered by any 5V/2.1A portable charger (low voltage and safe voltage), the USB plug is compatible with most portable chargers.Easy to care; machine washable.Specification:Name: Electric underwear setStatus: Brand newColor as shownMaterial: 95% cotton + 5% spandex, carbon fiber bundlenotes:Product does not contain mobile powerAlways need mobile power to dissipate heat (5V2A mobile power is recommended)Washing instructions:Take out the detachable charger and wash it by hand with neutral detergent. Please do not rub or knock it. It can be used after neutral air-drying.Product packaging: (does not include laundry bag)Heating underwear set*1finally:1. Due to the difference of light and screen, the color of the product may be slightly different from the picture.2. Due to manual measurement, please allow an error of 2-5cm.We will use the best products and services to help you.We hope every customer is happy every day