What you can see here is Ear-Cup (Over the Ear) earphone headset with the logo of your favourite KPop group. You can use it with your PC, laptop, mp3 player and smartphone.
You can easily pick the artist you like from 17 (yes – seventeen!) available in these corresponding colors: B1A4 (green and yellow), Big Bang (black and yellow), Block B (black and white), F(x) (black and white), F.T.Island (black and yellow), Infinite (black and orange), JYJ (black and red), MBLAQ (black, white and red), Nu’est (black and pink), Shinee (blue and white), Sistar (white, pink and blue), SNSD (Girls’ Generation) (black, white and pink), T-ara (black and yellow), Teen Top (black and white), TVXQ (black and red), U-Kiss (black and pink) and Vixx (black and white).
The diameter of the earphone plug is 0.14 inch (3.5 mm) and the length of the line is 47.24 inch (1.2 metre).
You ask whether it is worth paying $14.99 for this awesome design. The answer is yes.