This Anker travel adapter 2-pack is designed to convert US plugs for use in European countries with Type E/F outlets, and they offer a good mix of AC and USB charging options. Overall, these seem like a well-built and versatile solution for travelers needing to power multiple devices.

Pros
• The inclusion of two AC outlets on each adapter is very useful for plugging in larger devices like laptops or hair dryers alongside your smaller gadgets.
• Having both USB-A and dual USB-C ports provides flexibility for charging various devices, including newer USB-C powered phones and tablets.
• The compact design makes them easy to pack without taking up too much space in your luggage.
• TUV Listing suggests adherence to safety standards, giving peace of mind when using them.

Cons
• The 15W USB charging output is adequate for phones but might be a bit slow for rapidly charging larger devices like iPads or power banks.
• These adapters are specifically for Type E/F outlets and won't work in countries with other plug types like the UK (Type G) or Italy (Type L).

Verdict
The Anker European Travel Plug Adapters are a solid choice for anyone traveling to countries that use Type E/F outlets and needing to charge multiple devices. They're well-designed and offer a good balance of features, making them a worthwhile addition to your travel gear, as long as you're aware of their limitations regarding plug types and charging speed.