Listen to your personal soundtrack as you commute, run errands or do whatever it is that makes you ¿you.¿ With MetroFi 170 earphones, you get three different-sized ear cushions to customize your fit that delivers clear sound that doesn't need to blast your ears in order to hear every note. Durable and practical, simply put them in and forget them. Hear your music as it was meant to be heard, with clarity, smooth range and a clean thump. 75% of the top touring musicians use Ultimate Ears Custom Earphones, now you can experience the same quality of sound in an earphone created with you in mind. For people who take their music everywhere they go, the MetroFi products are designed to fit into a busy life. Ultimate Ears by Logitech. How music is meant to be heard.