Poly CS540 Wireless Headset System — The Industry's Best-Selling Desk Phone Headset
Upgrade your office with the Poly (Plantronics) CS540 convertible wireless DECT headset. Ultra-lightweight at just 21g, with up to 350 ft of wireless range and 7 hours of talk time, the CS540 delivers all-day hands-free productivity for desk phone professionals. Every unit ships new with Reef Telecom's industry-leading 10-year warranty.
Key Features
Ultra-Lightweight: Only 21g (0.74 oz) — the lightest DECT headset on the market for all-day comfort
350 ft Wireless Range: DECT 6.0 technology for interference-free mobility around the office
7-Hour Talk Time: Replaceable battery charges in just 3 hours for a full workday of calls
Noise-Canceling Microphone: Enhanced DSP ensures crystal-clear audio on every call
Convertible Wearing Styles: Includes over-the-ear and over-the-head options (behind-the-neck neckband sold separately)
One-Touch Controls: Answer/end, volume, mute, and flash right on the headset
Conference Up to 4 Headsets: Connect additional CS540 headsets to one base for collaboration
SoundGuard Protection: Protects against audio spikes above 118 dBA with anti-startle technology
Telephone Interface Cable (RJ9 — connects to most desk phones)
Quick Start Guide
Compatibility & Important Notes
The CS540 connects to desk phones via the included RJ9 telephone interface cable and is compatible with most major desk phone brands including Cisco, Avaya, Polycom, Yealink, and more. Add an optional HL10 Handset Lifter or Electronic Hook Switch (EHS) cable for remote answer/end capability (sold separately).
Note: This headset does NOT connect to computers or via USB. For USB/computer connectivity, see the Plantronics Savi W740.
Part Numbers: Poly 84693-01 | HP 7W073AA#ABA | PLAN-CS540
