Windows 11 Admin-Powershell 1-liner to extract Bluetooth Mouse, Keyboard, Audio pairing keys to share with dual-boot linux

gistfile1.txt

$DeviceNamePattern = "Logi M650*"; `
$Outfile = "C:\bluetooth_device_keys.txt"; `
$Command = "powershell.exe"; `
$ScriptCommand = "" + `
"Get-PnpDevice -Class 'Bluetooth' | ? FriendlyName -like '$DeviceNamePattern' " + `
    " | Select " + `
        "FriendlyName, " + `
        "@{N='MACAddress';E={Get-PnpDeviceProperty -InstanceId `$_.InstanceID | ? {`$_.KeyName -eq 'DEVPKEY_Bluetooth_DeviceAddress'} | Select -ExpandProperty Data }}" + `
"|% { `$device = `$_;" + `
    "Get-ChildItem -Path HKLM:\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters\Keys -Recurse | ? {(Split-Path `$_.Name -Leaf) -eq `$device.MACAddress} " + `
    "| Select " + `
        "@{N='AdapterAddress';E={(Split-Path `$_.PSParentPath -Leaf).ToUpperInvariant() -replace '..(?!$)', '$&:'}}, " + `
        "@{N='FriendlyName';E={`$device.FriendlyName}}, " + `
        "@{N='MACAddress';E={`$device.MACAddress.ToUpperInvariant() -replace '..(?!$)', '$&:'}}, " + `
        "@{N='IRK'; E={(`$_.GetValue('IRK') | % { `$_.ToString('X2') }) -join ''}}, " + `
        "@{N='LTK'; E={(`$_.GetValue('LTK') | % { `$_.ToString('X2') }) -join ''}} " + `
    "| Format-List } " + `
"| Out-File -FilePath '$Outfile'"; `
$Arguments = "-command `"& { $ScriptCommand }`""; `
Import-Module ScheduledTasks; `
$name = "RunAs_LocalSystem_$(New-Guid)"; `
$actionArguments = @{ '-Execute' = $Command; }; `
if (-not [string]::IsNullOrEmpty($Arguments)) { $actionArguments['-Argument'] = $Arguments } `
$action = New-ScheduledTaskAction @actionArguments; `
$principal = New-ScheduledTaskPrincipal -UserId 'NT AUTHORITY\SYSTEM' -LogonType Interactive; `
Register-ScheduledTask -TaskName $name -Action $action -Principal $principal | Start-ScheduledTask; `
Unregister-ScheduledTask $name -Confirm:$false

Pair first in Linux, then pair in Windows.
Paste that one-liner into an admin powershell and get something like this for each name-pattern-matched device.

AdapterAddress : C8:...:38
FriendlyName   : Logi M650 L
MACAddress     : DB:...:8E
IRK            : 38...8C
LTK            : A9...F1
...

In Linux:

$ sudo -s
$ cd /var/lib/bluetooth/[AdapterAddress]
$ mv [MACAddress - 1] [MACAddress]            # Because pairing in Windows may have rotated the Mac Address 
$ nano [MACAddress]/info

Update the LTK and the IRK to match from Windows.
Run sudo systemctl restart bluetooth and the device should now be working in Linux.