What are you using (Windows 10, Windows 11, macOS)?
If your Jieli BR21 dongle shows up as a storage drive, you may need to force a mode switch, particularly on Linux or specialized Windows tools.
. It does not require a proprietary standalone software installer because it utilizes the universal, native operating system USB audio and Human Interface Device (HID) drivers. Devices utilizing this chip include budget USB Bluetooth dongles, wireless audio receiver boards, mixers, and portable amplifiers. How the JieLi BR21 Chip Operates
Because Jieli hardware is highly versatile, users looking for the package often encounter issues like the device being misidentified as a storage drive, missing Bluetooth toggles in Windows, or pairing failures. Why the Jieli BR21 Causes Driver Issues
: Check the Yufan Chip Support Page for specific update tools and firmware manuals.
Typically between 15 MB and 40 MB. If you see a 2 MB file, it is likely just a shortcut or a virus.
: It is designed to receive audio streams from a PC or smartphone and play them, or transmit PC audio to Bluetooth headphones.