For Android devices using a 75270-qualified Bluetooth chip:

If the original launchstudio.bluetooth.com page is no longer active (due to platform migration), try these official sources:

git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git cd linux-firmware grep -r "75270" .

The device appears as "Unknown Device" in the Other Devices category.