Poly Blackwire 5210 Monaural USB-C Headset +3.5mm Plug +USB-C/A Adapter 50070123-10000340-2 and a cast iron roller

and a cast iron roller bar

Audio input

3" (76 mm) Speed-Connect Fixed Extension Column

0 Receiver with USB Device Inputs

Poly Blackwire 5210 Monaural USB-C Headset +3.5mm Plug +USB-C/A Adapter 50070123-10000340-2 and a cast iron rollerPoly Blackwire 5210 Monaural USB C Headset +3. 5mm Plug +USB C A Adapter Wear it well The Blackwire 5200 Series fits your busy workday. Ergonomically designed for long lasting comfort. And with the easy to use connectivity you can work on a variety of devices throughout the day. Performance Country of origin China, Mexico Signal to Noise Ratio (SNR) 118 dB Cable colour Red Cable length 116 m Control type Buttons Control unit type In line control unit