Reference for applicable countries of plugs

EU plugs are suitable for most European countries, including the 27 EU countries (such as Germany, France, Italy, Spain, UK, etc.), Russia, and some other EU member states such as the Netherlands, Denmark, Finland, Norway, Poland, Portugal, Austria, Belgium, Hungary, Sweden, etc. In addition, South Korea also uses plugs and electrical specifications from European standard appliances, typically using 220-240 volt AC power according to European standards

The characteristic of the US plug specification is one round and two flat, which is mainly suitable for North American regions such as the United States, Canada, and Mexico