The refers to a specific Bluetooth SIG listing rather than a downloadable software package from a single manufacturer. This listing is often associated with generic Bluetooth 5.0 USB dongles that are intended to be "plug-and-play" using native Windows 10 drivers. Review Summary
https://archive.org/download/launch-studio-75270-driver/LaunchStudio_75270_Win10.zip Launch Studio Bluetooth 75270 The refers to a