Dumps of the nfc tags on Niimbot label printer label rolls.
Files in /pm3 are for use with the Proxmark3
Files in /flipper are for use with the Flipper Zero
The tag is an NTAG213
Set your device to emulate (proxmark - hf mfu eload -f <FILE PATH HERE>), open the printer lid, hold emulator between top lid and power button, close lid. Should be detected :)