The Pioneer HDJ-500K Professional DJ Headphones are designed to provide professional-level audio quality, along with comfort and durability. The HDJ-500K headphones feature enclosed earcups to minimize extraneous sound, while accuracy in the low and mid frequency ranges assists in mixing and recording applications. The earcups feature a 60deg. swiveling action for single-ear monitoring. Interchangeable coiled and straight cables are included. The straight cable includes a built-in microphone and an answer button for smartphone compatibility.