How is that even possible? The trick is to start with a USB-C to USB 3 adapter. This vintage of Macbook doesn’t have USB 3, but the spec for that protocol maintains backwards compatibility with ...
but you can easily pick up a USB-C-to-USB-A dongle to fix it. Just make sure you double-check the power requirements on any kit you buy - USB-C and the USB 3.1 standard can carry more power than ...