This is the Plantronics CS540 + HL10 Bundle package. Plantronics legendary CS wireless headset family is setting a standard for office phone communication with the new CS540 (CO54, C054), which features the lightest office wireless headset on the market, a new streamlined design and improved performance. Go mobile and multi-task up to 350 feet from your desk with answer, end and mute controls at your fingertips. And no matter what your preference, with three wearing choices there’s one to match your personal style. Enjoy the sleek contemporary design of the new system, premium wideband audio quality and wireless mobility, all with the same reliability for hands-free productivity that has made the CS family a best seller for nearly a decade. With the new CS540, Plantronics is raising the bar once again for desk phone headset systems.. 

Key Features:

• Plantronics HL10 Handset Lifter included in this bundle package for remote answering
• Electronic Hookswitch Cable also available for remotely answer - call for compatibility with your phone
• Manage desk phone communications with the lightest DECT wireless headset on the market
• Choose from three comfort-tested and customizable wearing options to match your personal style:
  Over-the-ear, discreet and stylish, Over-the-head, for enhanced stability, ultra-discreet without sacrificing stability
• multitask, hands-free up to 350 feet
• Audio controls volume/mute at your fingertips
• Adaptive power system optimizes for range and talk time
• Voice-dedicated DECT™ technology eliminates Wi-Fi interference
• Advanced wideband audio using CAT-iq technology enables clearer conversations
• Choose narrowband mode to preserve talk time or wideband mode for clearer conversations
• Noise-canceling microphone filters out background noise
• Digital Signal Processing (DSP) provides more natural voice sound
• SoundGuard™ technology protects against audio spikes
• Conference in up to three additional CS540 or Savi headsets for enhanced collaboration
• New headsets can subscribe to a base by simply docking the headset

Old Poly part # 84693-11

New HP part # 80R99AA#ABA

For more information, see Plantronics CS540 datasheet & Plantronics CS540 user manual

Optional Plantronics cs540 Accessories and replacement parts:

Plantronics Savi, CS500 Series Universal AC/DC Wall Adapter

Plantronics CS540 Replacement Battery

Plantronics CS540 Replacement/Extra Headset

Plantronics CS540, W440, W740 Behind the Head Neckband

Plantronics CS540, W740, W745 W440 Earloop/Earbuds kit

Plantronics CS540, W440, W740 Replacement Headband

Plantronics In-Use Busy light

Plantronics CS540/W440/W740/W745 Leatherette Ear Cushions

Plantronics CS510, CS520, CS530, CS540 Telephone/Handset Adapter

Plantronics CS540 setup video:

Plantronics CS540 troubleshooting video:

How to setup a HL10 lifter: