What are you using (e.g., Windows 10, Windows 11, Mac)?
[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 .
: USB-powered AUX Bluetooth adapters used for cars or older stereo systems. Jieli Br21 Driver
The BR21 belongs to a family of versatile System-on-Chips (SoCs) developed by . While most of the world saw it only as a cryptic name in their Windows Device Manager, to the engineers, it was a tiny marvel designed for the "AC692N" series—a brain for everything from portable Bluetooth speakers to budget-friendly USB audio interfaces. The Phantom Connection
If you have recently purchased a budget-friendly pair of wireless earbuds or a Bluetooth speaker, there is a high probability that it is powered by a chip from . As one of the leading manufacturers of Bluetooth audio chips in the world, Jieli provides the internal hardware for countless consumer electronics. What are you using (e
: Unplug the device, restart your PC completely, and plug it into a different USB port. Avoid using external, unpowered USB hubs; plug the dongle directly into the motherboard (the back of a desktop PC).
Often, Microsoft includes these third-party Bluetooth drivers in its cumulative updates. : USB-powered AUX Bluetooth adapters used for cars
This guide breaks down why this happens and how to get your driver working. 1. Why Your PC Sees a "Storage Device"