Ultimate Ears MetroFi 170vi Noise Isolating Earphones w/ Microphone (Discontinued by Manufacturer) Pick your fit: Three different-sized ear cushions lets you choose the size thats right for your ears Durable and long lasting to keep up with your busy life Easily switch between making calls and enjoying music and video on your iPhone or BlackBerry. Answer or end a call with a push of a button Hear your music, clearly and cleanly while blocking out ambient noise of the crowd Youre on the move. The pocket-sized case protects your earphones and doesn't add bulk or drag to your day