For Linux users, the linux-firmware.git repository maintained by the kernel team is the gold standard. A for Linux is often just a firmware blob. Using git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git ensures you have the bleeding-edge microcode.
When your computer labels a device as "BQB" or "Generic Bluetooth," it usually means Windows can't identify the specific brand of the chip inside your USB adapter. bqb chipset website driver better
Finding the Right BQB Chipset Drivers: Why Your Website Source Matters For Linux users, the linux-firmware
. It is not a brand of chipset itself but a quality mark ensuring the device meets industry standards. Driver Recommendations For Linux users
This usually happens if you installed a 32-bit driver on a 64-bit OS. Redownload from the BQB website using the correct architecture.