- Panasonic headset- Adjustable - rotate the boom mic for use on either the left or right ear- Noise cancelling microphone for clear calls- Mute switch to silence your own voice during calls- Volume control for adjusting the volume level of the other party's voice during calls- Comfort fit headset- Lightweight and flexible boom microphone- Folding design that makes it easy to carry the headset around- 4ft (1.2m) CordKXTCA430