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CS540 Convertible wireless headset

  • Hands-free wireless productivity
  • Get more done with hands-free flexibility
  • Wear it your way—you’ve got options
  • Conference in colleagues from a single base


Hands-free Productivity

Need to get in some extra steps or pop your head out of your office? If you want an excuse to drop off your call, you’ll need to find another one. With the Plantronics C5540 convertible DECT™ headset you can get more done—even on the move. Plus, it’s easy to deploy company wide. More freedom means more productivity.


We work where you do

All Poly USB headsets and personal speakerphones are compatible with the most popular voice platforms – we just work. Poly solutions provide excellent audio quality for both you and those on the other end of the call – no matter your platform of choice.

Poly is certified (when offered) with all major communication platforms.


CS540 Features


  • Connects to
    • Desk phone
    • Office and desk-centric workers across the enterprise looking for a simple-to-set-up, simple-to-use wireless offering for managing desk phone calls
    • Up to 7 hr
    • CS540 Convertible: 21 g
    • 64-bit encryption, DECT Security Certified
    • DECT 6.0, range up to 350 ft
    • Narrowband or wideband: up to 6,800 Hz
    • SoundGuard: protects against sound levels above 118 dBA
    • CS540, Convertible, Noise-Canceling, with lifter (P/N )
    • CS540, Convertible (P/N )
Data Sheet


Related Products


CS540 Data Sheet

Learn about the features, benefits and technical specifications of the CS540

Download Data Sheet
Acoustic Protection

CS540 features Soundguard to protect against acoustic shock by limiting sounds to below 118dBA.

Learn More
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Next Steps

Connect with us today

Ready to deploy a world-class communications solution? Poly is here to help. Contact us or a certified partner in your area today to get started.