Poly Blackwire C5220, USB-A & 3.5mm (207576-01 aka 80R97AA) Headset Accessories it can connect to your

it can connect to your desk phone

Charge cables sold separately

Easy volume control to hear every word

without changing headsets

Let your team focus on collaboration rather than connecting peripherals

Poly Blackwire C5220, USB-A & 3.5mm (207576-01 aka 80R97AA) Headset Accessories it can connect to yourStereo USB, Mini phone Wired Over the ear Binaural Supra aural Connects to PC and Mac via USB USB C, smartphone and tablet via 3. 5 mm Intuitive inline controls to answer end calls, control volume, and mute Dynamic EQ feature automatically adjusts audio for voice and multimedia use Ideal for all day use, long conference calls and listening to multimedia Ultra soft leatherette ear cushions wrapped around pillow soft memory foam provide all day comfort