Several brands, such as Borofone , utilize these chips for stereo audio transmission. How to Install and Update the Jieli BR21 Driver
A: First, try a different USB port. If that doesn't work, open your Device Manager (Windows) or System Information (Mac/Linux) and see if the device is listed under "Other devices" with a yellow exclamation mark. This indicates a driver conflict. Right-click and uninstall the device, then unplug it, restart your computer, and plug it back in.
Go to (Windows 10) or Windows Update (Windows 11). Click Advanced Options , then select Optional Updates . Jieli Br21 Driver
Many users encounter problems when trying to set up their Jieli BR21. Below are the most common issues and their solutions.
Zhuhai Jieli Technology primarily sells chips to third-party manufacturers (OEMs) rather than direct consumers. Because Jieli does not host a consumer-facing driver download portal, you should find the website of the specific brand printed on your device's packaging (e.g., Ugreen, Baseus, or unbranded generic inserts) to download their dedicated utility software. Troubleshooting Common Jieli BR21 Issues 1. Driver Error Code 10 or Code 43 Several brands, such as Borofone , utilize these
Before understanding the driver, it helps to understand the hardware. The Jieli BR21 is a highly integrated Bluetooth audio chip designed for low power consumption and high-quality audio transmission. It typically supports:
: Boot your computer into Safe Mode, open Device Manager, right-click the Jieli device, and select Uninstall device . Ensure you check the box that says "Attempt to remove the driver for this device" before restarting. This indicates a driver conflict
: Unplug the device, restart your computer, and plug it into a different USB port (preferably a USB 2.0 port instead of USB 3.0, as some older Jieli configurations exhibit compatibility issues with newer USB standards). 2. Audio Stuttering or Poor Range
| | Description | | :--- | :--- | | Core Function | USB sound card with Bluetooth audio receiver. | | Bluetooth Version | Typically supports Bluetooth 5.0, offering a stable, high-speed connection with extended range and lower power consumption. | | USB Interface | USB 2.0 full-speed device, appearing as a composite device. | | Audio Codec | Built-in audio codec featuring a stereo DAC, a mono ADC, a headphone amplifier, and analog mixing capabilities for line-in and microphone inputs. | | LED Indicator | A blue LED that flashes to indicate pairing mode and typically becomes solid or turns off when a connection is established. | | Compatibility | Highly compatible with Windows, macOS, and Linux due to standard USB Audio Class drivers. | | Audio Quality | Provides Hi-Fi sound output for audio playback and features a built-in microphone input with very clear voice capture, though microphone controls may be limited. | | Design | Compact and lightweight, often featuring a USB Type-C input and a 3.5mm audio jack for connecting to external speakers or headphones. |