Jieli Br21 Driver
: The connected headset connects but suffers from low audio quality, stuttering, or microphone failure. How to Install the Jieli BR21 Driver
Jieli Technology does not offer a public consumer-facing support portal like Realtek or Broadcom. Instead, drivers are distributed through: Jieli Br21 Driver
For the technically inclined, the JieLi BR21 has a fascinating and unconventional implementation under the hood. : The connected headset connects but suffers from
is designed to be , it uses standard Microsoft Windows USB Audio drivers. JieLi-AC690X-Familiarization/README.md at master - GitHub Jieli Br21 Driver

