100% free and automatic. That's BSAM Checker, the software designed by the Innovation Department at @Tarlogic, so companies and citizens can audit their Bluetooth devices without knowing anything about it or investing resources.
https://www.tarlogic.com/news/bsam-checker-detecting-vulnerabilities-bluetooth/
Tarlogic launches BSAM Checker, a free tool for automatically detecting vulnerabilities in Bluetooth devices

BSAM Checker is free software that allows you to audit Bluetooth devices to check that they do not have vulnerabilities.

Tarlogic