AKG K375 in-ear headphones keep you listening to your favorite music all day with a combination of high-performance sound and incredible comfort. For audio perfection, you get the kind of studio-quality sound that has made AKG products the favorite of professional musicians for decades. Aluminum housings extend bass response and reduce unwanted resonances. Comfort is emphasized with three different sizes of soft, malleable silicone sleeves that will fit snugly into ears of every shape. Finally, an in-line microphone enables you to use AKG K375 headphones while making a phone call, giving you yet another reason never to take them off