The product is no longer available. Take a look at the successor product, Poly CS540 DECT Headset.

    Successor product:

    Get in touch:

    Product no.:

    Manufacturer no.:

    The wireless CS500-series Poly Headset CS540 (CS540A) is perfect for working in the office thanks to its large range. Other features: Monaural DECT headset for desk phones Three different wearing styles: Headband, ear hook and neckband Noise-cancelling microphone filters background noise Digital Signal Processing (DSP) for natural audio Choice of wideband or narrowband mode Wideband audio with CAT-iq technology SoundGuard DIGITAL protects you from sudden loud noises and limits the average noise exposure to 85 dBA Talk time: up to 9 hours Range: up to 120 m Weight: 22 g Includes: Headset, base station, headband, ear hook not included: Neckband Calls can be answered/ended through the headset: mechanical HL10 handset lifter or manufacturer-specific Electronic Hookswitch (EHS) module required (sold separately). Please inform us of your phone model so that we can find the compatible EHS cable.

    Poly CS540 DECT Headset

    Product typeEarbuds
    Manufacturer’s warranty2-year exchange service (see manufacturer's website for details)
    ApplicationDesk phone
    Headset typeMonaural
    FitOn-ear, In-ear
    Wireless technologyDECT
    Built-in microphoneYes
    Noise-cancellation (NC)Yes
    Active noise-cancellation (ANC)No
    Sustainability certificationsTCO Certified
    Physical properties
    Weight0.022 kg

    Sustainability certificationsTCO Certified