The Jieli BR21 (often stylized as JL BR21) is a highly popular, low-cost Bluetooth audio and data chip manufactured by Jerry Chip (Zhuhai Jieli Technology). You will commonly find this chipset powering budget Bluetooth USB dongles, wireless headphones, portable speakers, and car audio adapters.
Jieli BR21 Driver Full: Complete Guide, Troubleshooting, and Download
This is the most critical step. Earbuds and speakers must be in mode.
The Jieli BR21 is a highly popular, low-cost Bluetooth audio system-on-a-chip (SoC) manufactured by Zhuhai Jieli Technology. It powers millions of budget-friendly wireless headphones, portable speakers, car Bluetooth adapters, and USB dongles. jieli br21 driver full
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
Choose . If Windows finds a match, let it install and restart your PC. Method 2: Forcing the Generic Bluetooth Adapter Driver
Without the proper driver, your computer may not recognize the Jieli BR21 chip properly. Symptoms of missing or outdated drivers include: The Jieli BR21 (often stylized as JL BR21)
Insert the device into an available USB 2.0 or USB 3.0 port.
: Use the Windows Device Manager to search for "Generic Bluetooth" or "USB Audio" updates if the device is not functioning.
Click , ignore the update warning dialog, and click Yes to install. Method 2: Install via Windows Optional Updates Earbuds and speakers must be in mode
The chip is engineered to map directly to Microsoft’s standard class drivers. If your device is failing to initialize, the culprit is almost always a faulty USB cable, an overloaded USB hub, or an outdated Windows registry. Following the manual installation steps outlined above will restore your audio streaming instantly.
Programs like 3DMark have been known to hang while scanning hardware if a BR21 device is plugged in; disabling hardware info scans can fix this.
On , open your volume management interface (such as PulseAudio Volume Control or PipeWire settings) and verify the device is selected as an analog or digital stereo output endpoint. Technical Specifications and Architecture Specification Details Silicon Manufacturer ZhuHai JieLi Technology Co., Ltd. USB Identity String JieLi BR21 Audio Device Driver Architecture Native USB Audio Class (UAC 1.0/2.0) & USB HID Audio Codec Protocol Subband Coding (SBC) Wireless Profile Advanced Audio Distribution Profile (A2DP) Device Subsystem ID Varies by OEM implementation (e.g., Borofone, DFRobot) Troubleshooting Common Driver and Connection Faults
: In many cases, Windows will list it as a "JieLi BR21 Stereo" or simply a "USB Composite Device".
Because Zhuhai Jieli Technology primarily distributes software directly to hardware manufacturers (OEMs) rather than end consumers, they do not host a consumer driver download portal. To get a dedicated package: