In Device Manager , expand the Bluetooth category. Look for any internal Bluetooth adapter (like Intel or Realtek). Right-click and choose Disable device . Keep only the Jieli BR21 adapter enabled. Final Thoughts: A Warning on "Driver Updater" Scams
If it appears with a yellow exclamation mark, right-click it and select > Search automatically for drivers . Mode Switching :
The "story" of the Jieli BR21 driver link a common troubleshooting tale in the tech community, stemming from the fact that many affordable Bluetooth dongles and audio mixers (like those from Pyle or Borofone) use the JieLi AC690X series of chips The "Mystery Device" Problem
: Click Browse , select the unzipped driver folder from Step 1, ensure "Include subfolders" is checked, and click Next .
driver , understanding what this chip does, and troubleshooting connection issues. What is the Jieli BR21 Chip? jieli br21 driver link
If you are a developer or need chip-level tools, the manufacturer provides resources through these channels: Official GitHub ZhuHai Jieli Technology
JieLi Technology (often spelled Jerry or Jeili) produces low-cost, highly integrated Bluetooth audio SoCs (System on Chips). The BR21 series is widely used in unbranded or budget-friendly consumer electronics, including: USB Bluetooth dongles and transmitters FM modulators and car Bluetooth adapters Portable wireless speakers and headphones PC wireless audio receivers
Search GitHub for repositories under the names Jieli-Tech or jieli-br21 .
They often install adware, change your browser settings, or install generic drivers that cause system-wide Blue Screen of Death (BSOD) crashes. Stick to the Windows Update Catalog, manual Device Manager updates, or the vendor hardware links specified above to keep your operating system fast and secure. In Device Manager , expand the Bluetooth category
If the driver installs correctly but you cannot pair your headphones or smartphone:
What are you using (Windows 10, Windows 11, Linux, etc.)? What is the Hardware ID of the device from Device Manager?
: Lists various driver files for JieLi-based audio devices and Bluetooth adapters, including specific Borofone BR21 Stereo drivers . Why the "BR21" Name Appears
: For technical specifications or bulk firmware tools, visit the Zhuhai Jieli Technology Official Website . Troubleshooting Common Issues Keep only the Jieli BR21 adapter enabled
Because Jieli (Zhuhai Jieli Technology) primarily manufactures the internal chips rather than the final consumer products, they do not provide a direct "BR21 driver" download on their official website
To help isolate any remaining connectivity issues, what (e.g., specific brand speaker, headset, car adapter) are you using, and what operating system version is your computer running? Share public link
: Right-click the device > Properties > Details > Hardware Ids . Common Jieli IDs include VID_E5B7&PID_0811 or VID_4C4A&PID_4155 . Manual Update :