Open your terminal and type lsusb . If you see "Jieli" or "USB Audio," the system sees the hardware, but it’s treating it as a sound card. 2. Use Built-in OS Update Tools
If your device is not working correctly, it is rarely due to a missing specialized "BR21" driver and more likely a configuration or system driver error. 1. Use Windows Built-in Update jieli br21 driver free
Go to and click Check for updates .
Open "Sound Settings" > "More sound settings." Under the "Playback" tab, you should see "Jieli BR21 Audio" (or similar). Under "Recording," you should see "Jieli BR21 Microphone." Open your terminal and type lsusb