1. Comfortable and Durable Designed with soft fabric and builtin thermisola fiber, this electric heating pad offers exceptional comfort and wear resistance. Its durable construction ensures sustained use, making it ideal for staying warm in cool conditions. 2. Advanced Heating Technology Equipped with imported composite fiber heating cables, this pad provides evenly distributed heat. The tight arrangement of the wires ensures temperature performance without the risk of oxidation or circuit issues, significantly prolonging the product's lifespan. 3. Versatile and Convenient Simply insert this adjustable heating pad into jackets, vests, or various garments. Powered by a 5V 2A USB supply, it can connect to a computer, power adapter, or power bank for effortless heating. (Note: Power supply not included.) 4. Waterproof Design This heating pad features impressive wrinkle and water resistance, making it washable for easy maintenance. However, prolonged immersion is not recommended, as it may weaken adhesive bindings. The heating performance remains effective after cleaning.