DIY SparkFun Pro Micro with USB-A Port - Parts Not Included
Amazon.com: RedTagCanada Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Board Microcontroller Compatible to Arduino Pro Micro Serial Connection wPin Header (1, Pro Micro ATmega32U4 Micro-USB) : Electronics
Arduino Micro USB Microcontroller
Arduino Pro Micro with Pins out for USB - Project Guidance - Arduino Forum
The micro usb of my arduino pro micro rip off, so I fixed it. What do you think? : r/arduino
Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4 – Keebio
Arduino Pro Micro USB-C Atmega32u4 5V 16MHz Board - FalbaTech
Clever PCB Brings Micro USB To The Arduino Uno | Hackaday