Right-click the and select Update driver . Choose Browse my computer for drivers .
Go to the tab and change the Property dropdown to Hardware Ids . Copy the string (it will look like USB\VID_xxxx&PID_xxxx ).
Jieli sells chips directly to factories and third-party brands, not to everyday consumers. They do not maintain a consumer-facing driver repository. jieli br21 driver link
Because some generic Jieli BR21 drivers lack an official digital signature from Microsoft, Windows 10 and Windows 11 may block the installation.
Jieli Technology (often spelled Jerry or Zhuhai Jieli Technology) is a massive Chinese semiconductor company. They specialize in ultra-low-cost Bluetooth and multimedia processors. The is widely integrated into: Right-click the and select Update driver
Troubleshooting Your JieLi BR21 Bluetooth Connection If you've just plugged in a JieLi BR21
: For firmware-level issues or specialized "update mode" access, refer to the Jieli USB Dongle Update Tool Manual . Copy the string (it will look like USB\VID_xxxx&PID_xxxx )
Power management is turning off the USB port. Fix:
Factories buy the BR21 chip, build a generic plastic housing around it, and sell it without a brand name (white-label products). No brand means no official support website.
If you downloaded a driver from the Windows Update Catalog or a zip archive, it won't have an installer app. You must install it manually: Extract the downloaded folder to your desktop.
The BR21 chip creates two audio profiles: (High quality) and Hands-Free (Low quality, but allows mic use).