Plantronics BLACKWIRE C3225 USB-A / 209747-101 / Black

Quick overview from the supplier:

Headset Plantronics Stereo BLACKWIRE C3225 USB-A+jack 3.5mm, Noise-cancelling Microphone, Remote Call Control, Mic. Frequency Response 100 Hz–10 kHz, Output 20 Hz–20 kHz, 32Ohm, Storage Case (209747-101)