It is unique dual unit design that offers excellent quality‎.‎ It enables you to listen to your favorite tracks without any disturbances and also lets you receive calls‎.‎ It is a very comfortable back headphone‎.‎ Get stable fit with the ergonomically designed ear tip earbuds and wing tips‎.‎ A hybrid design allows you to get the best of both worlds – combining all the noise‎-minimizing advantages of canal‎-type earbuds with the wearing comfort of open‎-type earphones‎.‎ Good sound quality with best calling experience‎.‎