Poly CS540A Headset With Handset Lifter TAAExperience seamless, hands free communication with the Poly CS540A headset, designed for professionals who demand reliable performance across desk phones and PCs. This DECT headset delivers professional audio quality, all day comfort, and flexible integration, so you can stay productive whether youre at your desk, on the move, or juggling multiple devices. With a noise canceling microphone that minimizes background interruptions, the CS540A helps