describe:1. The perfect warm winter product: cold winter; mobile power to charge and heat carbon fiber on clothes.2. Intelligent temperature control: three gears.3. Rapid heating: The carbon fiber filament is heated quickly, not afraid of folding, washable, high temperature resistant, high tensile strength, and easy to break.4. Warm: cold; cotton velveteen lining; fluffy and soft, good heat preservation effect.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: (not including mobile power)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^_^