Plantronics Blackwire 3320

Plantronics Blackwire 3320 Duo USB-A Wired Headset Connectivity: USB-A Wearing Style: Binaural (Dual-Ear) Flexible Noise Cancelling Microphone SoundGuard Protection Dynamic EQ optimised for PC Wideband Voice Telephony Inline Control: volume up / down / mute, answer and end Tone Alerts: mute on/off and volume maximum/minimum Supported on Windows and Mac OS