AKG K 340 In-Canal Bud Headphone - Liquorice (Discontinued by Manufacturer) Ultra lightweight, in-canal design naturally blocks out ambient noise while remaining comfortable for everyday use. iPhone compatability allows use with an iPhone without the need for an extra adapter. Wide dynamic range and exceptional bass response delivers accurate, high-output sound and makes them the perfect upgrade for virtually any portable device In-line volume control gives you complete control of your portable device's volume even with it tucked safely away. Included carrying case helps keep your headphones safe and secure when not in use.