The $30 Kensington power-plug adapter is compatible with both outlets and appliances in more than 150 different countries. Its travel-friendly size and weight (3.8 ounces) will cut down on luggage ...

If you’re traveling to Europe, Asia or another international destination outside of the Americas, you’ll probably need a travel power adapter to charge your phone, laptop and other essentials.

Now if you need a plug you need to purchase one separately. Apple has also left the power adapter out of the box of the Apple Watch–read: Which plug do I need for my Apple Watch? You do get a ...