Super small size and tight fit to make sure your devices don't fall out when plugged in,USA pins go into the wall, European flat pins go into the adapter.Perfect for charging Smart phones, Bluetooth speakers, power banks, tablets, shavers, headphones, laptops and so on. socket made for all Euro countries such as: Austria, Belarus, Belgium, Croatia, Denmark, Finland, France, Germany, Greece, Germany, Iceland, Italy, Hungary, Portugal, Poland, Netherlands, Spain, Sweden, Turkey etc.