Plantronics CS500 XD SERIES 88285-01 CS520-XD Over-the-head Headset - Binaural - 900 MHz - Noise-Cancelling Microphone

The Plantronics CS500 XD SERIES 88285-01 CS520-XD Over-the-head Headset features 900 MHz technology and allows you to multi-task from up to 350 feet away. The headset features fingertip audio controls and allows you to conference in up to three additional CS500 XD Series headsets. You can select either narrowband mode to preserve talk time or wideband mode for clearer conversations.