Look for a "USB Composite Device" or an "Audio Device" with a name like Jieli Technology .
hosts various libraries for Bluetooth and health-related chip integration. Jieli BR21 Bluetooth dongle shown as storage device 4 Feb 2021 — jieli br21 driver link
Because this driver is not digitally signed by Microsoft, Windows may block it. Look for a "USB Composite Device" or an
: Remove any existing generic Bluetooth or Jieli drivers before installing new ones to avoid conflicts. jieli br21 driver link
: The official corporate site is Zhuhai Jieli Technology.
Be cautious of sites offering "Jieli BR21 Driver.exe" downloads. Since the device is natively supported by Windows, these external .exe files are often unnecessary and may contain malware. Always rely on the built-in Microsoft Windows Update system first.