Here is the hat:
And here is the hat inside out so you can see the earphones:
The funny part is that she only half bought the hat for the earphones. The main reason she bought it is that it reminded her of the hat that the llama Karl wears in the "Llamas with Hats" youtube shows. If you haven't seen those yet you can check them out on youtube. They are by the guy who is best known for Charlie the Unicorn but, I like them better because the humor is a lot darker.