USB Bloetooth does not find any devices

I have a USB Bluetooth 4.0 from TP-Link, I put the bluetoolfixup.kext and added it to NVRAM / ADD / 7C436110-AB2A-4BBB-A880-FE41995C9F82 <key>bluetoothExternalDongleFailed</key> <date>00</date> <key>bluetoothInternalControllerInfo</key> <data>00000000 00000000 00000000 0000</data> The problem is that it doesn't find my headphones, what could be wrong? Could you tell me if this model is compatible with the Sequoia? Thanks

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