Jabra Evolve 20 Stereo Wired On-Ear Computer Headset / Music HeadphonesProfessional headset with easy call management and great sound for calls and musicCondition: NWT - new with tags (in original packaging / unused / unopened)!Size: one size (OS)Model: Hsc016State-of-the-art, noise-canceling microphone eliminates background noise. The ear cushions are designed to reduce high-frequency sounds. You and your conversation partner won’t struggle to hear each other.Passive Noise Cancellation: Simply wear the headset to eliminate high-frequency noise, such as human voices - all thanks to the specially designed ear cushions. We call this “passive noise cancellation.”Easy Call Management: Get easy access to the most used functions, like volume and mute. You can also answer and end calls directly from the control unit.work • conference calls • video chat • office • client meetings • padded • adjustable