K340In-line precision volume control Comfortable fit Carrying case included Best for portable DVD, CD, and MP3 players iPhone?? compatible Accuracy and control. Accurate high-output sound and in-line volume control to conveniently keep it in check ??? even when your portable player is stored away in your backpack or seat pocket. The new ?K 340 ear canal headphones feature an outstanding frequency response and a handy hard case. Available in Liquorice Black or Fudge Brown.