The device is often identified as ID 4c4a:4155 Jieli Technology USB Composite Device .
A2DP (Advanced Audio Distribution Profile), AVRCP, HFP, and HID. jieli br21 driver full
Because the JLieLi BR21 full driver is often an INF-based installation (not Microsoft signed), Windows 11 may block it. The device is often identified as ID 4c4a:4155
Disclaimer: Driver downloads should be performed from reputable sources to avoid malware. jieli br21 driver full
Jieli BR21 Bluetooth dongle shown as storage device - Ask Ubuntu