Br21 Driver - Jieli
If your device is not working or is being recognized as a storage device instead of an audio one, consider the following steps:
Right-click it and select -> Search automatically for drivers . 2. Manual Identification
I can confirm this works with Ubuntu 22.04. Using at terminal lsusb lists as: "ID 4c4a:4155 Jieli Technology USB Composite Device" Ask Ubuntu
The Jieli BR21 chipset does its job well as a plug-and-play, low-cost solution for connecting wireless mice, keyboards, and casual audio devices. While the lack of an official central repository for JieLi Technology drivers is annoying, relying on the native Windows 10/11 Bluetooth stack is almost always the safest and most effective solution. Avoid installing random third-party executable files ( .exe ) from unverified blogs claiming to have the "Official 2026 Jieli Driver," as these are often malware vectors. Jieli Br21 Driver
Budget-friendly 8-channel audio mixers with built-in PC interfaces.
To get the most out of your Jieli Br21 device and ensure smooth operation:
Many users report that Jieli devices refuse to connect because the USB cable is for charging only, not data. Use a data-capable cable. If your device is not working or is
If your computer isn't recognizing the device, follow these steps to "generate" the interface functionality: Check Physical Switches
This comprehensive guide will explain what the Jieli BR21 driver is, how to find and install it, and how to resolve common connectivity issues. What is the Jieli BR21 Chipset?
[Device Manager] └── ⚠️ Sound, video and game controllers └── ❌ Jieli BR21 (Device cannot start / Code 10) Right-click the and launch Device Manager . Expand Sound, video and game controllers . Using at terminal lsusb lists as: "ID 4c4a:4155
Unlike high-end chipsets from Qualcomm or Realtek, the Jieli BR21 is engineered as a multi-mode composite controller. Depending on how the manufacturer flashes the firmware, a single Jieli BR21 device can present itself to a computer as a generic , a USB Mass Storage Device , or a Human Interface Device (HID) —and occasionally, all three simultaneously. Understanding the Jieli BR21 Driver Architecture
Open Device Manager , expand the Universal Serial Bus controllers or Disk Drives section, locate the Jieli storage entry, right-click, and select Uninstall Device . Unplug the hardware, restart your PC, and reconnect it to force Windows to re-enumerate the device as an audio controller.
Some devices stay in "Storage Mode" until you right-click the virtual CD drive in "This PC" and select
The "BR21" designation generally refers to the specific architecture or product family of the Bluetooth/audio ROM chip inside the device. Why Does Windows Say "Driver Unavailable"?