Sparkfun Pro Micro 5V board claims PIDs 0x9205 and 0x9206.
The board JSON included with platformio (sparkfun_promicro16.json) lists incorrect PIDs:
"hwids": [
[
"0x1B4F",
"**0x9203**"
],
[
"0x1B4F",
"**0x9204**"
],
The above PIDs are for 3.3V version of the board, not 5V.