Hi Rodan666,
Are you seeing an alert that there's not enough power to connect the device? If so, for help with connecting USB devices to your MacBook Pro, check out the information below found in the article here: If you see USB Devices Disabled on your Mac
"If an external device isn’t recognized by your Mac and a message says that the device needs more power, the operation can't be completed, or USB Devices Disabled, try these steps:
- Disconnect and reconnect the external device to your Mac.
- Connect your external device to a different port on your Mac.
- If your external device is connected to a USB or Thunderbolt hub, connect your device directly to your Mac.
- If your USB or Thunderbolt hub is self-powered, make sure that it’s connected to an AC adapter. "
If the issue continues, check out and test the with the information in the guide here as well: If a USB device doesn’t work with Mac
You can also find helpful information here: Change the sound input settings on Mac - Apple Support
If other devices connect as expected and the issue remains, you can check with the manufacturer to see if there's any software or additional steps needed to connect: Gemini Support
If no devices connect as expected, reach out to Apple Support directly to further assist.
Contact - Official Apple Support
Contact Apple for support and service - Apple Support
Best.