These are HIGH FIDELITY earphones that come in an ERGONOMIC design that maximizes the comfort as you fit them in your ears. They are designed to offer you a great feeling as you listen to your favorite music/program at any given time or place. The earphones are designed to fit well in the ear to maximize the stereo sound output as well as maximize the bass required for a maximum relaxing experience. Pick your calls with ease for these pieces are well fitted a microphone that serves at its best during a phone call. Made of a strong pvc material, you can be assured of high durability for the earphone are not easily broken.These are HIGH FIDELITY earphones that come in an ERGONOMIC design that maximizes the comfort as you fit them in your ears. They are designed to offer you a great feeling as you listen to your favorite music/program at any given time or place. The earphones are designed to fit well in the ear to maximize the stereo sound output as well as maximize the bass required for a maximum relaxing experience. Pick your calls with ease for these pieces are well fitted a microphone that serves at its best during a phone call. Made of a strong pvc material, you can be assured of high durability for the earphone are not easily broken.