Type JieLi , Jerry Bluetooth , or BR21 into the search bar.
(if the above is dead): Search “Jieli USB driver AC692” on GitHub — many open-source projects for Jieli chips include the driver package.
: If the automatic installer fails, use Device Manager , right-click the device, select Update Driver , and manually point to the folder containing the extracted driver files. JieLi BR21 driver - DriverDouble.com jieli br21 driver link
Does the device show up in with a yellow exclamation mark?
If your computer flags the device as an "Unknown Device," follow these steps to force the operating system to recognize it. Step 1: Identify the Hardware ID Verify that your device actually uses a JieLi chip. Press Windows Key + X and select . Type JieLi , Jerry Bluetooth , or BR21 into the search bar
Once the drivers are installed, using the BR21 is generally straightforward.
If you'd like to troubleshoot a specific issue with the Jieli BR21: JieLi BR21 driver - DriverDouble
If you found this guide helpful, share it with the DIY audio community. The BR21 is a great chip – it just needs the right software to shine.