Features: Plantronics Supra Plus headset Working with the latest in wideband VoIP technology, this SupraPlus wideband headset delivers the highest level of audio performance even in noisy environments Helps overcome the challenges posed by traditional technology, delivering heightened speech clarity and life-like fidelity Users will experience greater satisfaction through enhanced intelligibility and reduced miscommunication Noise-canceling microphone filters out excessive background sound to further heighten call clarity Designed for over-the-head comfort, the SupraPlus wideband lets userschoose between experiencing total-focus sound reduction (binaural design) or conversing easily withcoworkers without removing the headset (monaural design) Wideband audio for more natural sound with wideband telephones The highest level ofperformance for wideband VoIP communications Premium audio ensures quality customer communications Comfortable design even for intensive all-day use Over-the-head, comfortable design for all-day use Monaural style 6 Way Cable Mount XLR Connector