If you want to use an external HDD/SSD and a USB C wireless microphone at the same time you need to use a USB C hub device. In this video I show how to accomplish this and some examples of recording 4K video and external wireless microphones.
My Photoblog:
https://www.grahamhoughton.com/

USB C Hub shown: https://amzn.to/4e3Lhh0

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