This plug adapter is for European electronics devices that have 2 round prong and converts them to the America style with 2 flat parallel prongs. Most electronic devices have a 110v-220v transformer or dual voltage (110/220 VAC) for worldwide use. If your devices have it, all you have to do is simply plug this adapter and you can use it in the USA.<!--Features --><p>FEATURES</p><UL class=p_f><LI>Unique meshing technology</LI><LI>Single phase two poles with earthing pole plug</LI><LI>High quality conduction copper sheet, flame resistant PC outer shell</LI><LI>Two-pin plug</LI><LI>Easy to carry, suitable for international traveling</LI><LI>Compatible countries: Europe, America<BR><BR></LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD>Socket</TD><TD>European(2 holes)</TD></TR><TR><TD>Plug</TD><TD>US(2-prong)</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(1.57 x 1.38 x 0.53)" / (4 x 3.5 x 1.35) cm (L x W x H)</TD></TR><TR><TD width=131>Weight</TD><TD width=365>0.28 oz / 8 g</TD></TR><TR><TD width=131>Color</TD><TD width=365>Black</TD></TR><TR><TD width=131>Type</TD><TD width=365>Euro to US Standard</TD></TR></TBODY></TABLE><!--Package Includes --><p>Package Includes</p><UL><LI>5&nbsp;x EU to US Travel Charger Converter Adapter Plug</LI></UL><!--Extra Info --><!--produts_compatibility -->