diff --git a/nixos/configs/gui/niri.nix b/nixos/configs/gui/niri.nix
index 82e63b3..285cd67 100644
--- a/nixos/configs/gui/niri.nix
+++ b/nixos/configs/gui/niri.nix
@@ -284,11 +284,11 @@ in
 
               "Mod+Q".action = close-window;
 
-              "XF86AudioPrev".action = sh "supersonic -previous";
-              "XF86AudioNext".action = sh "supersonic -next";
-              "XF86AudioPlay".action = sh "supersonic -play-pause";
+              "XF86AudioPrev".action = sh "playerctl previous";
+              "XF86AudioNext".action = sh "playerctl next";
+              "XF86AudioPlay".action = sh "playerctl play-pause";
 
-              "XF86Launch5".action = sh "supersonic -play-pause";
+              "XF86Launch5".action = sh "playerctl play-pause";
 
             }
             (binds {
diff --git a/nixos/configs/gui/waybar/default.nix b/nixos/configs/gui/waybar/default.nix
index 17ff00f..13fa11f 100644
--- a/nixos/configs/gui/waybar/default.nix
+++ b/nixos/configs/gui/waybar/default.nix
@@ -203,7 +203,7 @@ in
         modules-left = [
           "clock"
           "clock#otherzone"
-          "mpd"
+          "mpris"
         ];
         modules-center = [
           "custom/title"
@@ -364,8 +364,7 @@ in
           ];
         };
 
-        mpd = {
-          on-click = "mpc toggle";
+        mpris = {
           format = "${icons.music.playing} {artist} - {title}";
           format-paused = "${icons.music.paused} {artist} - {title}";
           format-stopped = "";
diff --git a/nixos/configs/udev.nix b/nixos/configs/udev.nix
index 13fafc1..b843f77 100644
--- a/nixos/configs/udev.nix
+++ b/nixos/configs/udev.nix
@@ -30,4 +30,9 @@
     '';
 
   };
+
+  hardware.ubertooth = {
+    enable = true;
+    group = "plugdev";
+  };
 }
diff --git a/nixos/hosts/trailblazer/default.nix b/nixos/hosts/trailblazer/default.nix
index d33412a..88095b1 100644
--- a/nixos/hosts/trailblazer/default.nix
+++ b/nixos/hosts/trailblazer/default.nix
@@ -386,6 +386,25 @@ in
 
   swapDevices = [ ];
 
+  # Support bluetooth.
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = true;
+
+    settings = {
+      General = {
+
+        # Support A2DP.
+        Enable = "Source,Sink,Media,Socket";
+
+        # Enable experimental featurees, like reading device battery levels.
+        Experimental = true;
+      };
+
+    };
+  };
+
+
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
   # still possible to use this option, but it's recommended to use it in conjunction
diff --git a/nixos/packages/gui.pkgs.nix b/nixos/packages/gui.pkgs.nix
index 8d9ba80..70066f3 100644
--- a/nixos/packages/gui.pkgs.nix
+++ b/nixos/packages/gui.pkgs.nix
@@ -83,6 +83,7 @@ with pkgs;
   # Media
   blender
   pavucontrol
+  playerctl
   vlc
 
   # Learning
diff --git a/nixos/packages/offline.pkgs.nix b/nixos/packages/offline.pkgs.nix
index 08f3ea8..a4d9ab6 100644
--- a/nixos/packages/offline.pkgs.nix
+++ b/nixos/packages/offline.pkgs.nix
@@ -44,6 +44,7 @@ with pkgs;
 
   # hax
   btlejack
+  ubertooth
 
   # Build systems.
   cmake