Description 

This is an innovative MP3 Headphone Hat is a for all  those who like to listen to music on the go. Ideal for listening to music, keeping warm and looking cool.
Simply plug the hat, which has an in-built speaker, into your iPod or MP3 player and bop along as you do your thing! Ideal for in cold waather, skiing, jogging or just walking around.
No need for mains or battery power. Compatible with any music player with a headphone socket.

Details 

Listen to your music and keep warm at the same time
Built in speakers allow only you to listen to your music
Compatible with any music player with a headphone socket