Geocaching trackables are special items which can be tracked through their unique code. Their purpose is to travel from cache to cache. They add another dimension to the search for geocaches.
Let us suppose that you have purchased a trackable or received it as a gift. Which is a great idea, by the way.
Go to https://www.geocaching.com/track/ and enter the unique code f your trackable item.
On the next screen you will activate it with the code that was supplied with the trackable.
Now you can enter all the details of the item. You can change the name, enter its mission and description.
At the third step of the activation procedure, you enter date and location of the item's activation.
Congratulations! You trackable is activated.
Yor newly activated trackable item is now safely in your personal inventory.
Let's make a photo of it and add it to the profile.
Great, isn't it?
As you can see from the screenshots above I didn't change anything during the activation. The item has all the defaults still in place. Now I can rename it, add description and mission and finally ...