Plantronics CS540 Wireless Headset — Professional Desk Phone Freedom

Get crystal-clear, hands-free desk phone communication with the Plantronics CS540 (84693-01), the lightest DECT wireless headset in the industry at just 21 grams. Professionally refurbished to like-new condition, tested, and sterilized — backed by Reef Telecom's industry-leading 10-Year Warranty.

Key Features

• Ultra-Lightweight: Only 21g — the lightest commercial-grade DECT headset available for all-day comfort
• 7-Hour Talk Time: Full workday battery life on a single charge
• 350ft Wireless Range: DECT 6.0 technology — walk freely without Wi-Fi interference
• Noise-Canceling Microphone: Crystal-clear audio with reduced background noise
• Convertible Design: Includes over-the-ear and over-the-head wearing styles
• One-Touch Controls: Answer, end, volume, and mute from the headset
• Conference Ready: Connect up to 4 headsets to a single base

What's Included

• Plantronics CS540 wireless headset (refurbished to Grade A+ like-new condition)
• CS540 charging base / docking station (C054)
• New ear-loop and over-the-head headband adapters
• AC power supply (US)
• RJ9 telephone interface cable (compatible with most desk phones)

Compatibility

The CS540 connects to your desk phone via the RJ9 handset port and is compatible with most major brands including Cisco, Avaya, Polycom, Yealink, and more. Add an optional HL10 handset lifter or EHS cable for remote answer/end functionality.

Note: This headset connects to desk phones only — it does not support USB or Bluetooth. For computer/softphone use, see the Plantronics Savi W740.

Need help setting up? Follow our CS540 Quick Start Guide to get connected in minutes.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.