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Operating system requirements:
  Windows 10 1803 or later
  macOS 10.12 or later 
USB cable requirements:
  USB-A to USB-C cable
  Supports USB 2.0 or USB 3.0
Note: Poly recommends USB 3.0 for the most reliable connection and optimal audio quality
  Self-powered USB booster extension cable for connections longer than 2 m (6.6 ft)
Note: Poly recommends that the USB cable you use for USB audio mode isn’t a cable meant only for 
charging devices. Cables meant for charging devices may lack the necessary hardware to support the 
data transmission needed for USB audio mode.
Connect Your Phone to Your Computer
Connect your Poly business media phone to your computer in USB audio mode.
Procedure
1.  Connect the USB-C end of the cable into the USB-C port on the right side of the phone.
2.  Connect the USB-A end of the cable into an available USB 2.0 or USB 3.0 port on your computer.
3.  Configure your computer’s input and output audio devices to the CCX business media phone 
according to your system’s procedure.
This process may vary depending on your computer’s operating system.