With the USB-C to USB Adapter, you can connect your Mac with USB-C or Thunderbolt 3 (USB-C) ports to iOS devices and many standard USB peripherals.
Plug the adapter into a USB ‑ C or Thunderbolt 3 (USB ‑ C) port on your Mac, and plug in a flash drive, camera, or other standard USB device. You can also connect a Lightning to USB cable to sync and charge your iPhone, iPad or iPod.