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Poly CS540A DECT 1920-1930 MHz Headset TAA - Mono - Wireless - DECT 6.0 - 393.7 ft - Over-the-ear, Over-the-head - Monaural - In-ear - Noise Cancelling Microphone - Noise Canceling - Black - TAA Compl
- Mono
- Wireless
- DECT 6.0
- 393.7 ft
- Over-the-ear, Over-the-head
- Monaural
- In-ear
- Noise Cancelling Microphone
- Noise Canceling
- Black
- TAA Compliant
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Overview
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Hands-free productivityTheCS540 convertible DECT (tm) 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. Give everyone more freedom to move Everyone in the office could use more flexibility. Let them roam confidently up to 400 ft from the headset base. They'll be able to collaborate simply since teams can conference up to four headsets on a single base. The choice is yoursThere's more than oneway to make a call - switch up styles to find your groove and introduce your ears to something new.
TheCS540 convertible design comeswith threewearing options: over-the-ear, over-the-head, behind-the-head. It's just easy Simplify desk phone managementwith headset audio controls and adding eitherthe HL10 Handset Lifter or Electronic Hook SwitchCable (EHC) forremote call capabilities.
TheCS540 convertible design comeswith threewearing options: over-the-ear, over-the-head, behind-the-head. It's just easy Simplify desk phone managementwith headset audio controls and adding eitherthe HL10 Handset Lifter or Electronic Hook SwitchCable (EHC) forremote call capabilities.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
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The Poly CS540A is a TAA-compliant, mono DECT 6.0 wireless headset with a noise-canceling microphone, suited to office professionals who make calls and want hands-free movement while staying within its listed 393.7-foot range.
Recommended For
- Desk-phone receptionists, administrative staff, and office call handlers who spend much of the workday on voice calls and want a hands-free headset; check compatibility with the specific phone before buying.
- Office workers who need to step away from their desk during calls, provided they stay within the headset’s wireless range and their phone setup supports it.
- Desk-phone users who prefer a lightweight, single-ear headset for voice calls and want convertible wearing options rather than a two-ear listening headset.
Real-World Use Scenarios
- During a busy stretch of customer-service or call-center calls, an agent can answer through a compatible desk phone without repeatedly lifting the handset; the noise-canceling microphone is intended to reduce some nearby office noise picked up by callers.
- A receptionist or office phone operator can keep a call going while briefly stepping away from the desk; wireless use allows movement around the office, though walls and distance can limit coverage.
- For an employee who spends much of the day on a desk phone, the convertible, single-ear design offers a hands-free way to handle repeated calls while leaving the other ear uncovered; comfort and fit may depend on the chosen wearing style.
- In a shared office where nearby conversations compete with phone calls, a user can speak through the headset’s noise-canceling microphone; it may reduce background noise on the caller’s end, but it does not make the room silent for the wearer.
- When calls need to be answered or ended away from the desk phone, a user can add a compatible handset lifter or electronic hookswitch cable; without the right accessory and phone setup, call handling may still require using the phone itself.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Office and desk-centric use with compatible desk phones |
| Design And Fit | Convertible, one-ear headset with over-the-ear and over-the-head wearing options; black |
| Wireless Connectivity | Wireless connectivity with Bluetooth support, version 5.3; no headphone jack |
| Audio And Controls | Dynamic drivers with sound isolation and noise-cancelling features; touch, call, and volume controls |
| Battery | Lithium-ion battery with up to 6 hours of average battery life; replaceable |
| Model Identifiers | Poly CS540 convertible wireless headset; model 84693-01 |








































