Poly Blackwire 3220 USB Headset:
- USB-C (C to A Adapter) connection for plug-n-play simplicity
- An affordable entry level USB headset for VoIP/softphones
- 28mm soft foam cushions to seal out background noise
- Adjustable headband for all-day comfort
- Wideband audio w/ noise canceling for high-quality PC calls
- Controls to answer/end calls, control volume, and mute
