HP Poly Poly CS540A Headset with handset lifter

The Headset Poly CS540A is a convertible DECT™ headset designed for office and contact center environments. It combines a lightweight supra-aural ear coupling and ear-hook/handheld wearing options with a wired connectivity mode, offering a balance of comfort and professional audio performance. The noise-canceling microphone helps reduce background interference while the compact black design supports an unobtrusive workspace setup.

Advantages

The Poly CS540A provides clear voice pickup through a noise-canceling microphone, a lightweight form factor at approximately 21 grams for extended wear, and flexible wearing styles (ear-hook or handheld) to suit different user preferences. With wired connectivity it offers reliable signal quality appropriate for busy office or call-center use and a discreet black finish.

Suitable for

Key specifications

How to use

Connect the headset using its wired interface to your desk phone or compatible audio device. Position the supra-aural ear cup over the ear and adjust the ear-hook for a secure fit, or use the handheld option as needed. Adjust microphone position to sit close to the mouth but not touching the lips to ensure optimal noise-canceling performance. Follow your device’s audio settings to set volume and input levels before starting calls.

Recommendations

For best results in busy office or call-centre environments, keep the microphone positioned correctly and perform periodic checks on cable connections. If using the headset for prolonged periods, alternate wearing style or take short breaks to maintain comfort.