Hi @the5clarkes, 

All Dyson Corrale straighteners are suitable for travel, with universal voltage, and a Flight-ready tag which disconnects the battery for air travel.

As you’ve noticed, some variants may include the original fixed style of charging dock, while some have a Travel Dok. They both display and recharge your straightener, but the Travel Dok can also fold flat for more compact storage in your travel bag. So if you’d like to bring your charging dock with you when you travel, a variant which includes the Travel Dok could be a good choice.

Hope this helps!