• Monaural over the head
• Noise canceling
• Adjustable fit
• lightest in its class
• Quick Disconnect feature provides walkaway convenience and compatibility with all Plantronics USB, desk phone audio processors, and direct connect cables
• Flexible noise-canceling boom allows optimal positioning for voice clarity
• Includes polaris U10P bottom cord for headset - will work on some phones direct in, Polycoms,  Nortels, NEC, T10's, T20's with H series headset to name a few. CHECK YOUR COMPATIBILITY, these cords DO NOT work on all phones. 

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