Jieli Br21: Driver Link

Jieli BR21 (often appearing as JieLi BR21) is typically a USB Bluetooth audio receiver/transmitter

Users often buy a device labeled as a "Bluetooth 5.0 Adapter" only to find that when they plug it into a Windows or Linux PC, it doesn't show up as a Bluetooth radio. Instead, it often appears in the Device Manager "BR21 UBOOT1.00 USB Device" "Jieli Technology USB Composite Device" "JieLi BR17" (an older but similar version of the driver) Why the "Driver Link" is Hard to Find jieli br21 driver link

  1. Extract the Driver File: Extract the downloaded driver file to a folder on your computer.
  2. Run the Installer: Run the installer file (usually a .exe file) and follow the on-screen instructions.
  3. Connect Your Device: Connect your device to your computer using a USB cable or Bluetooth.
  4. Complete the Installation: Complete the installation process, and restart your computer if prompted.

Some Jieli chips can accidentally enter a "Mass Storage" mode for firmware updates. If this happens, the computer sees it as a drive instead of an audio device. Jieli BR21 (often appearing as JieLi BR21) is

Universal Jieli Update Tool

: If you are a developer or need to re-flash the firmware, the Jieli USB Dongle 4.0 Update Tool and its manual are available via Axtekic Support . Extract the Driver File : Extract the downloaded