diff --git a/features/headphones/default.nix b/features/headphones/default.nix
index 307b722..f58f0ba 100644
--- a/features/headphones/default.nix
+++ b/features/headphones/default.nix
@@ -5,15 +5,51 @@
     pkgs,
     ...
   }: {
-    options.azos.headphones-whmx4000.enable = lib.mkOption {
-      default = true;
-      type = lib.types.bool;
+    options.azos.headphones = {
+      enable = lib.mkOption {
+        default = false;
+        example = true;
+        type = lib.types.bool;
+      };
+      devices = lib.mkOption {
+        default = [];
+        type = lib.types.listOf (lib.types.submodule {
+          options = {
+            mac = lib.mkOption {type = lib.types.str;};
+            name = lib.mkOption {type = lib.types.str;};
+          };
+        });
+        description = "Headphone devices; first entry is the default connect target.";
+      };
     };
-    config = lib.mkIf config.azos.headphones-whmx4000.enable {
-      home.packages = [
-        (pkgs.writeShellScriptBin
-          "azos-connect-headphones-whmx4000"
-          "echo \"connect AC:80:0A:AF:E1:C2\" | bluetoothctl")
+
+    config = lib.mkIf config.azos.headphones.enable {
+      home.packages = let
+        deviceEntries =
+          lib.concatMapStrings
+          (d: "  ${lib.escapeShellArg "${d.mac} ${d.name}"}\n")
+          config.azos.headphones.devices;
+        defaultMac =
+          if config.azos.headphones.devices == []
+          then ""
+          else (lib.head config.azos.headphones.devices).mac;
+      in [
+        (pkgs.writeShellScriptBin "azos-connect-headphones" ''
+          DEVICES=(
+          ${deviceEntries})
+
+          case "$1" in
+            --list)
+              printf '%s\n' "''${DEVICES[@]}"
+              ;;
+            --mac)
+              echo "connect $2" | bluetoothctl
+              ;;
+            *)
+              echo "connect ${defaultMac}" | bluetoothctl
+              ;;
+          esac
+        '')
       ];
     };
   };
diff --git a/features/lauretta/emacs/config.org b/features/lauretta/emacs/config.org
index 041b2ae..08004b6 100644
--- a/features/lauretta/emacs/config.org
+++ b/features/lauretta/emacs/config.org
@@ -43,9 +43,24 @@
 ** Headphones
 
 #+begin_src emacs-lisp
-(defun azos/connect-headphones ()
-  (interactive)
-    (start-process-shell-command "connect-headphones" nil "azos-connect-headphones-whmx4000"))
+(defun azos/connect-headphones (&optional arg)
+  "Connect to headphones via bluetoothctl.
+Without prefix ARG, connects to the first device in the list.
+With prefix ARG, prompts to choose from all configured devices."
+  (interactive "P")
+  (if (not arg)
+      (start-process-shell-command "connect-headphones" nil "azos-connect-headphones")
+    (let* ((raw (shell-command-to-string "azos-connect-headphones --list"))
+           (lines (split-string (string-trim raw) "\n" t))
+           (choices (mapcar (lambda (line)
+                              (let ((space (string-match " " line)))
+                                (cons (substring line (1+ space))
+                                      (substring line 0 space))))
+                            lines))
+           (name (completing-read "Connect headphones: " (mapcar #'car choices) nil t))
+           (mac (cdr (assoc name choices))))
+      (start-process-shell-command "connect-headphones" nil
+                                   (concat "azos-connect-headphones --mac " mac)))))
 
 (define-key azos/global-minor-mode/open-keymap
     (kbd "h") 'azos/connect-headphones)
diff --git a/home-manager/home.nix b/home-manager/home.nix
index b645731..778c0b3 100755
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -41,6 +41,18 @@
   azos.suites.lauretta.enable = true;
   azos.chess.enable = true;
   azos.name = "Aner Zakobar";
+
+  azos.headphones.enable = true;
+  azos.headphones.devices = [
+    {
+      mac = "AC:80:0A:AF:E1:C2";
+      name = "Aner's Headphones";
+    }
+    {
+      mac = "AC:80:0A:A1:5F:53";
+      name = "Chen's Headphones";
+    }
+  ];
   azos.roam-backup.enable = true;
 
   home = {
diff --git a/nixos/configuration-beacon-wsl.nix b/nixos/configuration-beacon-wsl.nix
index 388005c..39cb28a 100644
--- a/nixos/configuration-beacon-wsl.nix
+++ b/nixos/configuration-beacon-wsl.nix
@@ -34,6 +34,7 @@
 
   networking.hostName = "beacon";
   networking.firewall.allowedTCPPorts = [ 22 ];
+  programs.nix-ld.enable = true;
   time.timeZone = "Asia/Jerusalem";
 
   # GPU is exposed through WSL2 paravirtualization; no Linux NVIDIA KM needed
@@ -51,7 +52,7 @@
     isNormalUser = true;
     extraGroups = ["wheel" "video"];
     openssh.authorizedKeys.keys = [
-      "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQDfzDDO5juINctECmWlsYtGghEiX/RnTJ1cazLvOWSrPfsTyEd+B1+Ig8kFefNryjkpApfRXqj5KtLPNlpLfdVBrOIfhIveEp2MGqhgOGZFNVxQyXnZgii8Zdh4cqZ2O3pZpMsaAQBaJ9nH6dK0dJjicWT5f6TqwrVcInywRc5SuyizoSxoFmg7ch2rnlVi0j5XMVqdh8XLzHXZ7yWCzXy7+hWl/d7pwpyuzoK8dBw2EU9TauhgRDruom5Q9vWJTLStALC9pAIb0v9UFj9y+1zwx7pXsXp5F1g73EYrE4QR+QQ6z2LebuK280W0t+VA/fSCEB13DnkmofgqZQxX5MSCmrxZ5lTFp1FjW6yJo7As9FheF/GECowYkMRIx4IiQsjjHjZqlLRpLas11yAp6tGoZnw59hFo6Lu0Kva39jGVVmioYHtAeE5rD5w+v5kseJR4jlQ8aKB5yOjYUQOIz2AHQyoidgaeR2jPWqZUeRQbACI+/p3CHO45r3hrjATtGloBg0xF95Qws7Be3mjHVhbBLOoob8MdZ8nYAGnhlWrZphlkvXsHC6OUkuDJW00tmMjWXRlFwhFJ+nqUQCgLVjxVHQJ5rq9GeXBUuNXAeCm5BKBsdq+9qqVlt7D9iGyfr0lcZ7peKz/96KwPCWpG2En1Ur0/cVcbWnXEfG/xWO10tQ== openpgp:0xFA67FAB0"
+      "ssh-rsa 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 cardno:29_109_265"
     ];
   };