Important: regarding the mobile compress: this product needs a power bank to be operated, please be aware that the power bank does not come bundled with the device . What are the types of compresses- As an electrical material.- As a mobile electrical material. The contents of the electric compress-electric compress-power cord with a length of 3 meters.- Catalog of the method of use. How to use an electric compress1-clamp the cable into the power outlet.2-Select the temperature and time that suits you.３-