from TP-Link website:
Supported Operating System – Windows 11/10/8.1/7
have you found some where that indicated it supports linux?
and googies AI
Yes, the TP-Link UB500 Bluetooth dongle supports Linux. However, TP-Link doesn’t guarantee that the driver will work on all Linux systems
A guide on how to get the UB500 working on Linux kernels below 5.16 is available on GitHub.
So, what kernel version are you using??
have you tried
You can unblock it with rfkill unblock bluetooth