Poly CS540A Convertible DECT Headset

The CS540 convertible DECT™ headset provides professional performance so you can get more done — even on the move. The noise-canceling mic reduces background noise interruptions, ensuring great audio quality and easing listener fatigue. Roam confidently up to 400 ft from the headset base. Three wearing options: over-the-ear, over-the-head, behind-the-head