The Plantronics (now Poly) W8200B is a professional-grade wireless DECT headset system designed for office desk phones, remote work, and PC/VoIP softphones.DECT Technology: Provides long-range, interference-free wireless connectivity up to 450 feet (137 meters) from the base.Noise-Canceling Microphone: Blocks out background noise for crystal-clear calls in busy office or home environments.Connectivity: Connects smoothly via USB plug-and-play to computers and works with office phone setups.Charging Base: Includes a dedicated dock that charges the headset and maintains a stable connection.Thanks for looking!