JieLi BR21 refers to a Bluetooth chipset (often part of the family) produced by Zhuhai Jieli Technology. It is primarily used in low-cost Bluetooth audio adapters, wireless microphones, and audio mixers. Driver Characteristics and Installation The BR21 is designed to be a driver-free (Plug-and-Play) device because it identifies as a standard USB Composite Device USB Audio Class Standard Recognition
This is very common with Chinese microcontroller drivers. During installation, if a warning pops up:
Despite being "plug-and-play," users often run into a few specific headaches: Appearing as a Storage Device: Sometimes the is recognized as a removable disk or CD drive
If you are reading this, you have likely purchased a Bluetooth adapter, dongle, or a DIY audio module based on the chipset. Jieli (Zhuhai Jieli Technology) is a leading manufacturer of Bluetooth SoCs (System on Chips), powering millions of USB dongles, wireless headsets, and home theater receivers. jieli br21 driver free
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 Jieli BR21 Bluetooth dongle shown as storage device
Right-click the Windows Start button and select . Click the arrow next to Bluetooth to expand the list.
Yes, the Jieli BR21 is designed to be driver-free for standard use. JieLi BR21 refers to a Bluetooth chipset (often
For legacy systems (Windows 7/8), you may need a third-party driver utility like DriverIdentifier to find compatible generic drivers. Jieli BR21 Bluetooth dongle shown as storage device
chip. Because it follows standard USB audio protocols, it usually doesn't need a special driver—it's "free" because your computer already has what it needs to run it.
It may be listed in the terminal (via lsusb ) as "Jieli Technology USB Composite Device". During installation, if a warning pops up: Despite
Bloatware that demands payment to fix "errors" that do not exist.
If you are an engineer, hobbyist, or developer looking for the Jieli BR21 software development tools to flash or program the chip, you are not looking for a driver—you are looking for the .
Choose . If Windows finds it, follow the on-screen prompts. Method 2: Force the Generic Windows Bluetooth Driver
Jieli BR21 is a common Bluetooth-to-USB audio chip found in budget audio interfaces, mixers (like Pyle or Borofone), and generic Bluetooth dongles. Most users don't actually need a manual driver download because the chip is designed to be Plug-and-Play (PnP) using standard USB Class drivers. 🛠️ Step 1: Fix "Device Not Recognized"