Heh, that's an interesting point you make. Assuming you can't or don't want to use Bluetooth, I was surprised to see that in The Netherlands, there's only 1 brand that carries an USB-C mouse, and it's a budget brand as well:
http://www.trust.com/en/product/20969-usb-c-retractable-mini...
So I have to admit it's indeed very, very slim pickings.
So I have to admit it's indeed very, very slim pickings.