: Right-click the device > Properties > Details > Hardware Ids . Common Jieli IDs include VID_E5B7&PID_0811 or VID_4C4A&PID_4155 . Manual Update :

The Jieli BR21 driver performs several critical functions, including:

If you want to get your device up and running smoothly, tell me:

: Technical documentation and firmware tools (for series like AC63/AC69, which BR21 often identifies as) are maintained on the Jieli-Tech GitHub .

If you can provide the (e.g., Borofone, generic), Windows version , and specific issue (e.g., sound cuts out, won't pair), I can provide a more tailored fix. Jieli BR21 Bluetooth dongle shown as storage device

: Find the failing Jieli item (usually under "Bluetooth" or "Other Devices").

Once you have downloaded the driver folder (usually a .zip or .rar file), follow these steps to manually force Windows to accept the Jieli BR21 driver:

The JieLi BR21 (often associated with the JieLi AC692n or ACx series) is a highly integrated, low-cost Bluetooth audio SoC (System on a Chip). It handles both Bluetooth connectivity and audio decoding. Common Applications USB Bluetooth dongles Budget wireless earbuds and headphones Portable Bluetooth speakers Car Bluetooth AUX adapters Why Is It Hard to Find the Driver Link?

Jieli USB Driver Download – from official chip vendor (Source: jielicol.com – actual chip manufacturer)

Open (Right-click Start button > Device Manager). Look for "Bluetooth" or "Universal Serial Bus devices." If you see a yellow exclamation mark next to an unknown device, right-click and select Uninstall device .