Reliable Quality. Worry-Free Service --- The JARVANIA travel plug adapters adopt premium fire-proof material, quality copper pin and conductor, keep users and users’ devices safe. We provide an 18-month warranty and offer friendly, easy-to-reach support. For any issue, please feel free to contact us for a replacement or a full refund. Welcome to visit our store and choose more adapters with different features. Buy together to save!. NOT a Voltage Converter --- These small plug adapters DO NOT convert voltage. They only transform the plug shapes from Europe to US. Please make sure your device is dual voltage compatible (110-250V) and doesn't exceed loading of 6A. If your device supports single voltage 110V input only, please don't use them in Europe, or prepare a step-down voltage converter (visit our store and find the voltage converter if you need it). Supports 2-prong US plugs, MAX Loading 6A --- This power adapter only supports 2-prong US plugs (both polarized and non-polarized), NOT supports 3-prong US plugs. This Euro adapter's output is 6A 110-250V. Please check your travel devices before purchg. Make sure it has 2-prong plugs and the rating load isn't over 6A. Usually, it has no issue working with your phone/tablet chargers, USB chargers of your power bank/smartwatch/camera/e-reader/earbuds, or 2-prong laptop power cord. US to Europe Travel Adapter --- The JARVANIA European travel plug adapter with Type-C prongs can be used in most European countries including Germany, Italy, Greece, Iceland, Finland, France, Spain, Denmark, and more. The EU adapters are doubtlessly travel essentials and practical travel gifts for people who will travel to Europe. Note: The adapters for Europe can NOT be used in the UK, England, Ireland, Scotland, and more. Check the description section to know the compatible country list. Smallest European Adapters --- If you’re only visiting some of the European countries on a week-long vacation, or if you just need 2 or more extra charging slots besides your universal adapters, these super small, simple, efficient, and affordable European plug adapters are your best choice. Weight 0.35oz(9.9g) each. Size: 1.37 * 0.51 * 1.85 inch. Light in weight, small in size, easy to carry, space-saving for luggage. Perfect for international travel, airport, hotel, cruise ship, and more.