1. Comfortable Fabric: This electric heating pad is crafted from soft fabric with builtin heatinsulating fiber heating material, delivering a comfortable and wearresistant experience. The veststyle heating pad is designed for durability and even heat distribution. 2. Imported Composite Fiber Heating Wire: The heating pad utilizes imported composite fiber heating wire with dense guidance for uniform heating. It is resistant to temperatures, oxidation, and burnout, ensuring a long service life. 3. Versatile Compatible Power Source: Simply plug this USB heating pad into jackets, vests, or other garments to provide warmth. It operates on a 5V 2A power supply, compatible with computers, power adapters, or power banks (not included). 4. Foldable WaterResistant Design: This USB heating pad features a degree of foldability and water resistance, ensuring consistent heating and washability. However, avoid prolonged immersion to preserve the adhesive's effectiveness.