From the manufacturer

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Poly CS540 - Convertible Wireless Headset - Connects to a Desk Phone.

Connect to desk phones, via included cable. Ideal Headset for office and desk-centric workers across the enterprise looking for a simple-to-set-up, simple-to-use wireless headset for managing desk phone calls.

Product Information

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Ideal For

Office and desk-centric workers using desk phones.

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Audio Performance

Keep background noise out of your call with a noise-canceling microphone.

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Talk Time & Roaming Range

Work better, hands free, with a roaming range of up to 120 m/400 ft. Talk all day with up to 7 hours of talk time per charge.

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Global Use & Wearing Style

2 years; monoaural light weight convertible (which can be worn either over-the-ear, over-the-head or behind-the-head, sold seperately).

Use Case

Work from the Office Easily use at work while on video calls and with the freedom to move about wirelessly.

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Poly Innovation

Poly creates premium audio and video products so you can have your best meeting -- anywhere, anytime, every time. Our headsets, video and audio-conferencing products, desk phones, analytics software and services are beautifully designed and engineered to connect people with incredible clarity. They're pro-grade, easy to use and work seamlessly with all the best video and audio conferencing services. With Poly (Plantronics, Inc. – formerly Plantronics and Polycom), you'll do more than just show up, you'll stand out.

Plantronics-CS540 Convertible Wireless Headset
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Communicate clearly up to 350 feet away from your desk with the CS540 Wireless Headset from Plantronics. Designed to connect to your desk phone, the CS540 sports a sleek, lightweight design and has been comfort-tested. One-touch controls on the headset allow you to answer or end calls and adjust or mute the volume. The system also enables you to conference in up to three additional headsets for easier collaboration. The headset comes with ear loops as well as a headband, allowing you to find the most comfortable wearing style--over the ear or over the head.

CS540 Wireless Headset System

At a Glance:

Manage desk phone calls up to 350 feet
Wideband audio and noise-canceling microphone provide clearer conversations
Three different wearing styles: over the ear, over the head, or behind the head
One-touch call answer/end, mute, and volume adjust for simple call management
Up to seven hours of battery life on one charge; adaptive power system helps conserve battery life
Use with Electronic Hookswitch Cable or Handset Lifter (both sold separately) to remotely answer/end calls

The charging base connects to your desk phone. View larger. DECT technology is designed to provide long range and maximum call clarity.

Wireless Multitasking Made Easy

One-touch controls on the CS540 Wireless Headset allow you to answer or end calls and adjust or mute the volume. The system also enables you to conference in up to three additional headsets for easier collaboration. The headset comes equipped with DECT 6.0 technology that allows you to talk hands free up to 350 feet away from the base.

Engineered for Outstanding Sound Quality

In addition to DECT technology, the CS540 offers wideband audio for clearer phone conversations. The headset's noise-canceling microphone filters out background noise and enhanced Digital Signal Processing (DSP) makes voices sound more clear and natural.

Multiple Wearing Styles to Suit Your Needs

The CS540 sports a sleek, lightweight design and has been tested for comfort. It can be worn over the ear for a discreet look or over the head for greater stability. A neckband (sold separately) also allows you to wear the CS540 behind the head.

Charging Base with Adaptive Power System

A sleek magnetic charging base is included with the CS540. An adaptive power system optimizes for range and talk time by automatically downshifting to low power when the headset is close to the base to save battery life.

Plantronics also offers the HL10 Handset Lifter (sold separately) which can be attached to your desk/office phone to complete your cordless headset system. The HL10 lifts up and replaces the handset so you don't have to be at your desk to answer the phone or to hang up.

Product and Warranty Information

The headset weighs 21 grams and offers up to seven hours of talk time on one battery charge.

The CS540 Wireless Headset is backed by a one-year limited warranty.

What's in the Box

Headset, over-the-head headband, charging base, base power supply, fit kit instruction card with extra ear loops and ear tips, telephone interface cable, and quick start guide.

PLANTRONICS PL-CS540 Convertible Wireless Headset

Plantronics EHS Cable APP-51 (Polycom)
Electronic hook switch cable is designed for remote desk phone call control (answer/end). This cable eliminates the need for a HL10 handset lifter. Only compatible with Plantronics CS510, CS520, CS530, CS540, MDA200, Savi W710, Savi W720, Savi W730, Savi W740, Savi W745, WO100, WO101, WO200, WO201, WO300/50. Works With Following Polycom Phone Systems: SoundPoint IP 320, SoundPoint IP 321, SoundPoint IP 330, SoundPoint IP 331, SoundPoint IP 335, SoundPoint IP 430, SoundPoint IP 450, SoundPoint IP 550, SoundPoint IP 560, SoundPoint IP 650, SoundPoint IP 670, VVX 300, VVX 310, VVX 400, VVX 410, VVX 500, VVX 600, VVX 1500