Carnival Corporation will launch something called Ocean Medallions at the Consumer Electronics Show in Las Vegas tomorrow. CEO Arnold Donald will take the stage to formally introduce the devices to the public.

Here’s what they look like:

And here’s what the insides look like:

The devices resemble a smart watch and will contain all your Sail & Sign card data. This means that it will act as your charge card, room key, ID on board, etc. All the things you used to do with the plastic cards, will now be done with wearables.

We’ll have the full details including a liveblog of the event tomorrow (11:30EST) so stay tuned. Seems the details leaked a bit early. So much for a surprise!!