Plantronics PL-CS520 Binaural Wireless Headset System
Gain mobility–multitask hands-free up to 350 ft
One-touch call answer/end, vol +/–, and mute
Noise-canceling microphone reduces background noise
Advanced DECT wireless security
Up to 13 hours of wireless talk time
Reference information, new on Amazon $265:
https://www.amazon.com/Plantronics-Binaural-Wireless-Headset-System/dp/B005HS5JJW/ref=sr_1_3?crid=BQ6UFDPKG939&dib=eyJ2IjoiMSJ9.ocv5edtUzFusIWuO8L-mmApQB2hvpT-lsjPfhfXzRD05oBnz6VwslH9gYuoD1i0otYEadwF-zzMk6J1UBC2mQ6hysb8v_5xBh5qQF4vCnAFpmyf9-WEZqNhel9lO7VZ0ds5hCy3IWwec5JaOcISTfI47zONYGsKDAMdcauhU7_FFA5cw1kHR5AD5t77qy0TunSWeC2oStjBQU4h9iwLKI3HuBAEIq0EPWHOB_P2VR9I.IorX-56SJl9qnxWnxFbRaFStUIS3La9TbdP7xPDVTCU&dib_tag=se&keywords=plantronics%2Bcs520%2Bwireless%2Bheadset&qid=1708391154&sprefix=plantronics%2Bcs520%2Bwireless%2Bheadset%2Caps%2C122&sr=8-3&th=1