This is the new Plantronics CS545-XD Wireless Headset system with unlimited talk time. the CS545-XD includes a spare hot-swappable battery and charging cable for unlimited talk time once the initial battery runs out. the new CS545XD designed for extreme density, the new system features 900MHz technology with the highest number of available channels allowing you fit more wireless headsets into a specified space – so everyone in the office can enjoy the benefits of being wireless without audio disruptions. Go mobile and multi-task up to 350 feet from your desk with answer, end and mute controls at your fingertips.

Designed to address wireless density issues, the Plantronics CS545-XD Wireless Headset Series uses 900 MHz technology to allow more wireless headsets to be used in the same space while maintaining clear conversations. The CS500 XD Series provides up to 350 feet of range and a customizable convertible headset with a hot swappable battery (CS545-XD) that offers unlimited talk time. You can answer, end and mute calls from the headset, and there are three wearing choices to match your personal style. Enjoy the sleek contemporary design, 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. 

Key Features:

• Unlimited talk time with included hot-swappable spare battery and charging cable
• 900 MHz wireless technology allows for the highest number of available channels for clear conversations
• Convertible Headset - Choice of 3 wearing styles (over the head, over the ear, and behind the neck - sold separately)
• HL10 Handset Lifter adds remote answer/end convenience; or choose an Electronic Hook switch Cable to add remote answer/end call capability, eliminating the need for a Handset Lifter
• Lightest headset on the market - only 21 grams (0.74 oz)
• Ultra-light convertible headset with two customizable wearing styles
• Elegant magnetic headset docking
• Hands-free up to 350 feet
• Audio controls for volume/mute at your fingertips
• Conference in up to three additional CS545-XD headsets for enhanced collaboration
• Choose narrowband mode to preserve talk time or wideband mode for clearer conversations
• Noise-canceling microphone reduces background
• noise interruptions, ensuring great audio quality and easing listener fatigue
• Enhanced Digital Signal Processing (DSP) provides more natural sounding voice
• SoundGuard: protects against sound levels above 118dBA
• System based is labeled as Co54-xd (C054-xd)

Old Poly part # 88909-01

New HP part # 7E2K0AA#ABA

What's in the Box

• Wireless Base
• Extra battery and charging cable
• Headset with pre-installed battery, eartip, and earloop
• Headband
• Fit kit (other size eartip and earloops)
• Telephone interface cable
• Power supply

For more information, see Plantronics CS545-XD datasheet

Optional Plantronics cs545-XD Accessories/parts:

Plantronics Savi, CS500 Series Universal AC/DC Wall Adapter

Plantronics CS545-XD Battery & AC Charger 

Plantronics CS545-XD Replacement Battery   

Plantronics CS545-XD Behind the Head Neckband

Plantronics CS545-XD Earloop/Earbuds kit

Plantronics CS545-XD Replacement Headband

Plantronics In-Use Busy light

Plantronics CS540/W440/W740/W745 Leatherette Ear Cushions

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

Plantronics CS545-XD Replacement/Extra Headset