Poly CS545 XD Extra Density Headset TAA 7E2K0AA Carbon Black (P/N 220757-01) Both USB C and USB

Both USB C and USB A connectors on the same cable

Poly part # 219709-01

and is designed to maintain compatibility with future Cisco desk phone models

Previously Plantronics

Previously Poly Sync 20+ Microsoft Teams Certified USB-C Speakerphone 216871-01

Poly CS545 XD Extra Density Headset TAA 7E2K0AA Carbon Black (P/N 220757-01) Both USB C and USBPoly CS545 XD Extra Density Headset TAA 7E2K0AA Designed to address wireless density issues, the Poly CS500XD 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