Poly Blackwire 5220 Stereo USB-C On-ear Headset +3.5mm Plug +USB-C/A Adapter, 20 Hz to 20 kHz, noise-cancelling microphone 100 Hz to 10 kHz, DSP, SoundGuard Digital, Call answer/end; Mute; Volume +/-, travel case, cable length 217 cm, Black

Poly Blackwire 5220 Stereo USB-C On-ear Headset +3.5mm Plug +USB-C/A Adapter, 20 Hz to 20 kHz, noise-cancelling microphone 100 Hz to 10 kHz, DSP, SoundGuard Digital, Call answer/end; Mute; Volume +/-, travel case, cable length 217 cm, Black