What I want to make it, is a headset to listen to the 4, and I think that this would be of benefit is when I was listening to music with my friends and I listened to many people, and I don't have to turn on your music loud noise.to be able to listen to music, up to 4 persons, so it is that we are to listen to music, share it with other users, and can also make it in my music to a group of people rather than to separate them at each corner to listen to music.and when it is finished, it can be folded In conclusion,I think this piece of invention up to want to share it with other people to listen to your music with me.