Package includes 3 pack European to American (two-prong) outlet plug adapter Small, compact, and lightweight adapter are perfect for travel. Fit tight to your devices and won't fall out. The best choice for when you travel from all of the European countries also Australia and China to the U.S./Canada plug adaptor. Multi-purpose usage: quality small electric adapter plugs can be used to charge smartphones, power banks, Bluetooth speakers, laptops, tablets and etc. Internal metal interfaces provide better conductivity than other brands