The Black US to Europe Round Pin Travel AC Power Plug Adapter is designed to seamlessly convert American adapters with flat pins to fit European outlets with round pinholes. This converter plug is perfect for travelers, allowing you to use your American electronics in continental Europe without hassle. Please note that this adapter only converts the physical plug and does not convert voltage; ensure your device is compatible with European voltage before use. Made with premium quality materials, these black adapters are durable and compact, perfect for travel. The input features two flat pins (for US plugs) and the output delivers two round pins (for European outlets). This 4-pack provides great value for multiple devices or family use while traveling.