If you connect an audio mixer or a Jieli audio transmitter and get zero audio throughput, Windows has likely misassigned the default driver package.
Advanced Bluetooth profiles (like low-latency audio or microphone input) are not functioning correctly. You are operating on an older system like Windows 7. How to Install the Jieli BR21 Driver
Complete Guide to the Jieli BR21 Driver: Downloads, Installation, and Troubleshooting Jieli Br21 Driver
Given the device's nature, the installation process is straightforward. Here are instructions for the most common operating systems.
For the technically inclined, the JieLi BR21 has a fascinating and unconventional implementation under the hood. If you connect an audio mixer or a
There is released directly by Jieli for end users. Instead, drivers are typically provided by the manufacturer of the final product (e.g., the brand of your USB dongle or headset). However, you can follow these reliable methods to get the correct driver:
Right-click the problematic BR21 device and click . Click Browse my computer for drivers . How to Install the Jieli BR21 Driver Complete
Configuration typically requires specialized SDK tools like the , which are not user-friendly for the average consumer. Technical Breakdown
Because Zhuhai Jieli Technology is a component supplier rather than a consumer brand, they rarely host direct driver downloads for end-users. Instead, look for the brand name printed on the retail packaging of your product (e.g., Avantree, Baseus, Ugreen). Visit that specific manufacturer's support portal to download their dedicated driver utility. Troubleshooting Common Jieli BR21 Issues 1. Bluetooth Connection Drops Frequently
Click .
Most modern systems like Windows 10 and 11 recognize the BR21 immediately as a standard USB Audio Device without needing external drivers. Cost-Effective: