Great product works like a dream. Below is a tutorial for beginners.
(https://learn.adafruit.com/introducing-the-adafruit-bluefruit-le-sniffer/using-with-sniffer-v2-and-python3)
I use my one on a Windows 11 machine through WireShark (https://learn.adafruit.com/introducing-the-adafruit-bluefruit-le-sniffer/working-with-wireshark)
Very easy to use and does exactly what it says on the tin.