If automatic updates fail, you can find the exact driver using the :
Based on technical feedback and common user experiences with this hardware class in 2021: bm05ev2 01 bluetooth driver 2021
If your device is from Lenovo, Dell, HP, ASUS, etc.: If automatic updates fail, you can find the
Compatible with Windows 10 and Windows 11 , as well as legacy versions like Windows 7 and 8.1. How to Download and Install the 2021 Driver If automatic updates fail