Uncheck . Click OK and restart your computer. 2. Driver Conflict (Multiple Bluetooth Adapters)

If no driver is found, click . Check the "Optional Updates" section, as hardware drivers are often hidden there. Method 2: Manually Assigning a Generic Driver

A compact Bluetooth 5.0 audio receiver module commonly used to add wireless audio to speakers, car stereos, and DIY audio projects. Typical chipset: Jieli (e.g., JL AC692x family). This guide covers drivers, pairing, wiring, and troubleshooting.

Here is a summary of driver versions reported by online sources for informational purposes:

If automatic search fails, try a generic Bluetooth driver that often works with Jieli BR21:

The Ultimate Guide to the Jieli BR21 Driver: Downloads, Installation, and Troubleshooting

Some low-cost dongles come with a mini-CD or a download link for a tool like or “Jieli Bluetooth Suite” . These are usually safe and include the necessary driver. If you lost the CD, contact the seller for a download link.

Understanding the Jieli Br21 Driver: Download, Installation, and Troubleshooting Guide

4 Feb 2021 — It's USB sound card. Bluetooth inside is only for receiving audio stream from something like PC or smartphone and playing. Ask Ubuntu christian-kramer/JieLi-AC690X-Familiarization - GitHub

Zhuhai Jieli Technology designs highly integrated System-on-Chips (SoCs) that combine a CPU, a Bluetooth radio, RAM, and a USB controller onto a single piece of silicon. The BR21 system operates on distinct functional logic compared to premium wireless adapters like Intel or Broadcom: