Once you have downloaded the driver file (usually a .zip or .exe), follow these steps:
Remove and Re-pair: Go to Bluetooth Settings in Windows, "Remove" the device, and then search for it again. Jieli Ac4100 Bluetooth Driver
Set as Default Playback: Sometimes the driver works, but Windows doesn't switch the audio. Right-click the speaker icon in your taskbar, select Sound Settings, and ensure the Jieli device is set as the "Default Output." Conclusion Once you have downloaded the driver file (usually a