Poly Blackwire 3310-M Over-the-Head Monaural USB-C Headset (214011-101)

The Poly Blackwire 3310-M is a USB-C wired one ear, over-the-head style headset with a noise-cancelling microphone. It features 180-degree rotating leatherette ear cushions, and a flexible microphone boom. It features call control and a Microsoft Teams button, and it will work with computers and some desk phones via USB-C. This headset has a two ear version (3320-M), a USB-A version, and a version with additional 3.5mm connectivity (3315-M).