Find the device (it may be under or Other devices ).
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
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Because of this hybrid architecture, users frequently experience two massive frustrations: The "Storage Device" Mode Trap
Even after installation, problems arise. Here is how to fix them. Find the device (it may be under or Other devices )
+-------------------------------------------------------+ | Jieli BR21 Hardware | | - Bluetooth Transceiver - Audio DAC/Decoder | | - USB Controller - Storage Media Bridge | +-------------------------------------------------------+ | [ Enters PC via USB Interface ] | v +-------------------------------------------------------+ | Operating System Level | | - Identifies Hardware IDs (VID_E5B7, PID_0811, etc.) | | - Applies Jieli BR21 / Generic Class Drivers | +-------------------------------------------------------+
Demystifying the Jieli BR21 Driver: Functionality, Installation, and Troubleshooting Guide This link or copies made by others cannot be deleted
Locate (it may have a yellow exclamation triangle next to it). Right-click it and select Update driver .
Often acts as a Bluetooth receiver, decoding audio and outputting it via USB audio class or standard audio output.