Polycom Phone Headset Noise Cancelling Mic RJ9 U10P Bottom Cable Compatible with Polycom VVX, Shoretel, Avaya Digital Phones

High Quality Sound: Built in HD sound audio and Acoustic Shock Protection ensure the caller and responder can hear clearly. Advanced PCB circuit technology remove sudden loud sounds or tones to greatly protect the user hearing. Noise-Canceling Microphone: These headsets with anti-static shock protection microphone effectively reduce unwanted background noise and are ideal in crowded and noisy. Ergonomic and Comfortable: The headset lightweights and durable is a good choice for call centers, telemarketers, and SOHO. With breathable ear cushions and flexible headband for hours of comfortable. Professional telephone headset: adjustable headband fit any head size. Ideal for who prefer to leave one ear open, for Call Center Service, Telephone Counseling Services, Insurance, Hospitals, Banks ect. Compatibility: Compatible with Polycom VVX Series, CX Series and Soundpoint Series, Allworx, Mitel 5320 5320e 5330 5330e... ShoreTel 420 480 480g 485g... Avaya digital + more desk phones listed in description.