Jieli BR21 is a common chip used in budget-friendly Chinese audio interfaces and mixers. Because these devices use generic USB audio drivers, "generating a feature" usually refers to
(Input/Recording tab). Look for a device named "USB Audio Device" or "Jieli." If it's there, your PC thinks it’s a microphone. The "Eject" Trick: Jieli Br21 Driver
When you connect a BR21 device to a PC via Bluetooth, Windows uses a generic Bluetooth driver to establish the connection. However, for advanced features—such as accessing the microphone, enabling dual-channel stereo (as opposed to terrible-sounding mono), or adjusting equalizer settings—the generic driver often falls short. Jieli BR21 is a common chip used in
Interference or power management settings causing the BR21 chip to throttle. The Fix: Check the Bluetooth Codec: The Jieli BR21 typically
Specific variants like the may require specialized drivers if the generic ones fail. Sources like DriverIdentifier host community-uploaded driver packages for Windows 10. Troubleshooting "JieLi BR17/21" Errors
: Manufacturers like Axtek provide manual update tools for Jieli-based dongles to force firmware upgrades or change operating modes.