Jieli Br21 Driver Verified Jun 2026
To enter the second mode and use tools like the , you need a specific serial communication driver. Without it, your PC cannot "talk" to the BR21 chip for firmware updates or configuration.
The most reliable sources for BR21 drivers include:
The chipset—manufactured by ZhuHai Jieli Technology Co., Ltd. —powers millions of budget-friendly Bluetooth transmitters, wireless audio boards, and generic USB dongles worldwide. While these chips provide an affordable way to add wireless audio to your hardware, they often cause configuration issues when connected to modern desktop environments.
If Windows claims it cannot find a driver, click . This opens your system settings. Click Advanced options , then select Optional updates . Manufacturers frequently submit verified Jieli-compatible drivers here under generic names like "Realtek," "Actions," or "Generic Bluetooth Adapter." Method 2: Identify the Hardware ID to Find the Exact Driver jieli br21 driver verified
Open a terminal window and run lsusb . A verified Jieli device typically populates a line resembling: ID 4c4a:4155 Jieli Technology USB Composite Device Use code with caution.
As one user on the Windows 7 Help Forums described it: "I bought a cheap BT dongle, it shows as removable disk with big unplayable mp3 files. No way to install drivers. It shows JieLi BR21 in product name. Cannot find any driver. How do I make it detect as Bluetooth dongle?"
: For developers and advanced users, Jieli provides access to their tools through official documentation portals. These include: To enter the second mode and use tools
Need the exact driver file? Comment your device model (e.g., "Baseus WM01") below, and I'll share the verified link.
You can find this verified driver archived on reputable sites like (search for jieli-br21-driver ) or DriverLib (ensure the SHA256 hash matches community-posted hashes).
Try Microsoft’s inbox drivers – uninstall any “unknown device” and let Windows Update search. This opens your system settings
: When you plug a basic Jieli BR21 dongle into a PC, it doesn't always expose a raw Bluetooth HCI (Host Controller Interface) to the operating system. Windows will not show a native "Bluetooth toggle switch" in your settings panel.
Locate or Universal Serial Bus controllers .