The Bluetooth SIG Listing 75270 represents a certification document for hardware, not a direct driver download, and is commonly used by Barrot-based Bluetooth 5.0 USB dongles Ask Ubuntu
USB\VID_0A12&PID_0001 (This is a classic CSR 4.0 dongle)USB\VID_8087&PID_0026 (This is Intel)USB\VID_0BDA&PID_8771 (This is Realtek)Note: If your ID 75270 resolves to one of these, you can stop searching. The Bluetooth SIG Listing 75270 represents a certification
– Only download drivers from official Launch Studio links or the manufacturer’s verified domain. USB\VID_0A12&PID_0001 (This is a classic CSR 4