Enjoy all the benefits of hands-free mobility plus the convenience of connecting to both traditional and PC-based telephones with a lightweight, ergonomic headset that offers remote call controls up to 350 feet from your desk. DSP and IntelliTone technologies ensure superb sound quality and greater hearing protection. Wideband audio delivers sound so clear and real it feels like a face-to-face conversation. Intuitive on-base LCD makes it easy to set personal sound preferences. Noise canceling microphone ensures that every word is understood. Multi-unit conferencing capability with up to four additional headsets. Headset Type: Monaural; Headset Style: Convertible; Earpiece Type: Earloop; Earpiece Material: Plastic.