Poly EncorePro 540D with Quick Disconnect Convertible Digital Headset TAA - Mono - USB - Wired - Over-the-head - Monaural - Ear-cup - Noise Cancelling Microphone - Noise Canceling - Black - TAA Compliant

Noise Cancelling microphone technology ensures maximum dependability and optimal performance Great for Audio/Visual Labs, Assisted Listening Systems and more that have a Mono jack for non-stereo use Noise cancellation enables you to enjoy an exceptional audio experience with maximum usability and reliance Over-the-head earpiece design provides a comfortable and secure fit Ear-cup design provides optimum comfort and noise isolation Wired connectivity technology offers maximum listening convenience Flexible Microphone feature for better reliability and ensure maximum productivity Your voice will be heard loud and clear with the boom microphone design to ensure maximum Headset usage efficiency Features USB connector Provides exceptional quality sound with greater immersion