Plantronics BLACKWIRE 3320 / 214012-01

Quick overview from the supplier:

Plantronics Blackwire 3320M Stereo USB-A Binaural Headset 214012-01, Noise-cancelling Microphone, 2 m, Remote Call Control, Mic. Frequency Response 100 Hz–10 kHz, Output 20 Hz–20 kHz, 32Ohm