The problem with ear phones today is that they can get too tangled up in your clothes, especially if you are wearing a coat with a zipper. Everyone that uses in-ear headphones also prefer to adjust the length of the cord. Ji Woong has created a concept for earbuds that utilize a zipper itself.
The Zip-It earphones has a zipper control the length of the cords. The zipper handle pulll itself has built-in volume controls. Although it would be uncomfortable, the zipper could go as high as someone’s cheeks.