Jieli Br21 Driver Link May 2026

Jieli BR21 (often appearing as JieLi BR21) is typically a USB Bluetooth audio receiver/transmitter

• Scan files for malware.
• Prefer vendor-signed drivers or official packages.
• Keep device firmware backup and follow device-specific flashing instructions.

Choose "Browse my computer for drivers" and point to the folder where you extracted the files. Troubleshooting Common Issues Potential Solution No Bluetooth Toggle jieli br21 driver link

I can confirm this works with Ubuntu 22.04. Using at terminal lsusb lists as: "ID 4c4a:4155 Jieli Technology USB Composite Device" Ask Ubuntu Jieli BR21 Bluetooth dongle shown as storage device Jieli BR21 (often appearing as JieLi BR21) is

Step 3: Run the installer.

• Option A (Auto): Right-click setup.exe and select "Run as Administrator."
• Option B (Manual): Open Device Manager, right-click the unknown device, select Update driver > Browse my computer > Let me pick > Have Disk. Browse to the folder containing JL_USB.inf and click OK.

Jieli BR21 Driver Link

Conclusion

• Full duplex audio (talk and listen simultaneously)
• Lower latency (approx. 40ms)
• Multi-point connection (connect two phones at once)