Feature:Slim and lightweight design, warm up quickly, help relieve pain, very suitable for outdoor activities.Such as snowmobiles, motorcycles, mountaineering, camping, hiking, skiing, fishing, hunting or daily office activities and outdoor business activities.The heating material promotes blood microcirculation and helps relieve muscle pain. The best gift for parents and the elderly.Excellent lightweight design, easy to store in a small space.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*1At last: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^_^