HP Poly CS540A Headset with Handset Lifter (80R99AA#ABA, 84693-11) | DECT 6.0 Convertible Wireless Office Headset - New

The HP Poly CS540A (80R99AA#ABA / 84693-11) is a professional DECT 6.0 wireless headset bundle for desk phones, complete with the HL10 Handset Lifter for remote call answer/end. This ultra-lightweight, convertible mono headset is a favorite in call centers, reception desks, and enterprise offices, delivering wideband audio, a noise-canceling microphone, and reliable long-range performance. Compatible with most VoIP PBX and analog desk phones from leading brands like Avaya, Cisco, Mitel, Polycom, and Yealink, it’s the ideal upgrade for clear, hands-free productivity.

Key Features & Benefits

• Includes HL10 Handset Lifter: Remote call answer/end from anywhere within range
• DECT 6.0 Wireless: Interference-free office headset with enterprise-grade performance
• Convertible Wearing Styles: Over-the-ear earhook or over-the-head headband (both included)
• Lightweight Design: About 21 g (0.74 oz) for all-day comfort
• Noise-Canceling Microphone: Reduces background noise for crisp, professional voice quality
• Wideband Audio with SoundGuard: Natural, clear conversations and acoustic protection
• Long Wireless Range: Up to 350 ft (106 m) in open areas; ideal for busy offices
• All-Day Power: Up to 7 hours talk time on a single charge
• One-Touch Controls: Answer/end, mute, and volume on the headset
• Multi-User Friendly: Join up to 3 additional headsets to one call for training/conferencing
• Optimized for Desk Phones: Works with most SIP/VoIP and analog handsets

Specifications

• Brand: HP Poly (Plantronics)
• Series/Model: CS500 Series / CS540A
• Part Numbers: 80R99AA#ABA, 84693-11
• Wireless Technology: DECT 6.0 (1.9 GHz)
• Range: Up to 350 ft (106 m) line of sight
• Talk Time: Up to 7 hours
• Audio: Wideband; SoundGuard acoustic protection
• Microphone: Noise-canceling boom
• Wearing Styles: Over-the-ear earhook; over-the-head headband (behind-the-head band optional)
• Weight: Approx. 21 g (0.74 oz)
• Controls: Answer/end, mute, volume
• Base Connections: RJ-9/HS cable to desk phone; AUX port for lifter/EHS
• Included: CS540A headset, charging base, HL10 lifter with accessories, headband, multiple earhooks, telephone interface cable, power supply, documentation
• Compatibility: Works with most desk phones (Avaya, Cisco, Mitel, Polycom, Yealink, and more); EHS cables optional for certain models
• Condition: New

Frequently Asked Questions

• Does this include the handset lifter?
  Yes, the HL10 Handset Lifter is included for remote call answer/end.
• Will it work with my phone?
  It connects to most desk phones via the handset port (RJ-9). It’s compatible with popular VoIP/SIP phones from Avaya, Cisco, Mitel, Polycom, Yealink, and others. Some models can use an optional EHS cable; the lifter provides universal compatibility.
• Is this for computer or mobile?
  The CS540A is designed for desk phones. For PC/Mac or mobile use, a different Poly solution or adapter is recommended.
• How far is the range?
  Up to 350 ft (106 m) in open space; typical office range may vary due to walls and interference.
• How many headsets can join a call?
  You can conference in up to 3 additional headsets to one base for training or collaboration.
• Who is this ideal for?
  Reception, customer service, sales teams, small businesses, and enterprise users who need hands-free, wireless, and noise-reduced communication on desk phones.

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