Headset Plantronics Stereo BLACKWIRE C5220 USB-A+jack 3.5mm, Noise-cancelling Microphone, Remote Call Control, Mic. Frequency Response 100 Hz–8 kHz, Output 20 Hz–20 kHz, 32Ohm, Storage Case (207576-01)

Headset Plantronics Stereo BLACKWIRE C5220 USB-A+jack 3.5mm, Noise-cancelling Microphone, Remote Call Control, Mic. Frequency Response 100 Hz–8 kHz, Output 20 Hz–20 kHz, 32Ohm, Storage Case (207576-01)