Can I buy a plug adapter in Frankfurt airport?

I'm going to travel from EU to US in a week and I need a plug adapter to charge my phone. But I'm having trouble finding a store that sells US to EU adapters in the city where I live (Riga).

I'm going to have a 2 hour layover in Frankfurt so I'm hoping to purchase an adapter during that time. Are there any stores in the secure area of Frankfurt airport that sell plug adapters? If so, how do I find one?

Note that I don't need to convert frequency or voltage (most phone chargers support 50-60 Hz and 110-220 V).
This is the kind of adapter I'm looking for:

Best Answer

Most likely you can. You can search for electronic shops in the airport here https://www.frankfurt-airport.com/en/shop---dine/exclusive-offers.overview.map.html#map/category=einkaufen/subCategory=technik-and-entertainment/page=1 (check all levels)

There are plenty of shops past security (airside). Keep in mind that FRA is big. It has two Terminals each with multiple gate areas: Terminal 1 has A, B, C & Z, Terminal 2 has D & E). I'm not sure whether there is an airside connection between the terminals (there is a mono rail train) and area Z is more isolated since it has all the US flights. SO you want to search for a store in your departure gate area.

However, it will be VERY expensive. I would budget for at least 30 Euros. I would recommend to order something online if you can. For example I use a lot of these electronics and chargers https://www.amazon.com/Ckitze-Flat-Europe-Asia-Adapter/dp/B002TZBW74 . I order a dozen and through a handful in my travel bag. The tend to get lost easily !