Plantronics HW251N SupraPlus Wideband Headset (64338-31)Noise Canceling microphone filters out background sound HW251N P N 75100 06 Uses Plantronics QD Quick Disconnect Connector. Must be used with Plantronics Amp or with proper phone or USB adapter cable Connectivity Technology: Wired, Earpiece Design: Over the head, Earpiece Type: Monaural, Host Interface: Proprietary, Microphone Design: Boom, Microphone Technology: Noise Canceling, Product Model: HW251N, Product Series: SupraPlus, Standard Warranty: 2

Wired headset worn over the head with two speaker

Sound Guard Acoustic Limiting

Easily connect to most standard desk phones via RJ9

Connect to 2 devices at once with dual-connectivity on this noise cancelling headset

dual-ear/binaural over-the-head headset

Discover Adapt 30 Earpiece

12-Hour Battery Life - A wireless audio device would not be a useful tool without an incredible battery life

Dynamic mute Alert senses and alerts you when you talk when muted

letting you answer calls remotely with the touch of a button

This could lead to a lot of missed calls

ALL-DAY COMFORT – Built for style and comfort with leather-feel ear cushions and around-the-ear design

AND Bluetooth devices