Ultimate Ears MetroFi 220vi Noise Isolating Earphones with Microphone (Discontinued by Manufacturer) Our sound signature gives you a fuller mix with more detail in the higher ranges so you can hear deep bass and clear treble Pick your fit: Three different-sized ear cushions lets you choose the size thats right for your ears Miniature high-performance microphone for hands-free phone calls Easily switch between making calls and enjoying music and video on your iPhone or BlackBerry The low profile earphones sit flush and securely in your ears With just 16 dBs of noise isolation, you can hear your music clearly while not being cut off from the world around you