Plantronics CS540 Wireless DECT Headset System The Plantronics CS540 is a premium wireless DECT headset system designed for professionals who need mobility and all-day comfort. Known for its ultra-lightweight design and reliable wireless performance, the CS540 allows users to move freely while staying connected to their desk phone. With crystal-clear audio, long-range connectivity, and multiple wearing styles, the CS540 is ideal for office professionals, call centers, and reception environments. Key Features • Wireless DECT technology for secure, interference-free calls• Up to 350 ft wireless range (line of sight)• Ultra-lightweight design for all-day comfort• Convertible wearing styles (over-the-ear, over-the-head, behind-the-neck)• Noise-canceling microphone for clear conversations• One-touch call answer/end (with compatible lifter or EHS cable)• Adaptive power system for extended battery life Compatibility The Plantronics CS540 works with: • Desk phones (RJ9 headset port)• Most business phone systems (Cisco, Avaya, Poly, Yealink, etc.)• Electronic Hook Switch (EHS) cables for remote answering (sold separately)• HL10 handset lifter (optional accessory) ⚠️ Not a USB headset — designed for desk phones. Condition Condition: New What’s Included • Plantronics CS540 Headset• Base Station• Charging Cradle• Headband• Ear Hook• Neckband (varies by bundle)• Power Supply• Telephone Interface Cable Product Specifications Feature Details Model CS540 Type Wireless DECT Headset Range Up to 350 ft Battery Life Up to 7 hours talk time Wearing Styles Convertible Connectivity Desk Phone (RJ9) Audio Wideband / Noise Canceling Color Black