USB-C 8 in 1 Powered Microphone & Multi Adapter for Mac, PC and iPad
Amazon.com: Satechi Type-A to Type-C Adapter Converter - USB-A Male to USB-C Female - Compatible with iMac, MacBook Pro/MacBook, Laptops, PC, Computers and More (Space Gray) : Electronics
USB A Plug to USB C Jack Microadapter : ID 5461 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
HDMI to USB-C Video Capture Adapter : ID 4910 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits