diff --git a/configuration.nix b/configuration.nix
index 24e3566..99b6d17 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -17,7 +17,7 @@
     };
   };
 
-  boot.initrd.kernelModules = [ "amdgpu" "coretemp"];
+  boot.initrd.kernelModules = [ "amdgpu" "coretemp" ];
 
   services.hardware.bolt.enable = true;
 
@@ -51,11 +51,11 @@
     xkb.layout = "de";
     xkb.variant = "";
     enable = true;
-    dpi = 100;
+    dpi = 120;
 
     displayManager = {
       setupCommands = ''
-        ${pkgs.xorg.xrandr}/bin/xrandr --output eDP-1 --dpi 240 --mode 3840x2160;
+        ${pkgs.xorg.xrandr}/bin/xrandr --output eDP-1 --mode 3840x2160;
       '';
     };
 
@@ -77,6 +77,7 @@
 
   services.gvfs.enable = true;
 
+  # VPN services
   services.openvpn.servers = {
     KIT = {
       autoStart = false;
@@ -84,6 +85,9 @@
     };
   };
 
+  # Bluetooth
+  services.blueman.enable = true;
+
   # Configure console keymap
   console.keyMap = "de";
 
diff --git a/hardware_configuration.nix b/hardware_configuration.nix
index 9cd2df8..404e135 100644
--- a/hardware_configuration.nix
+++ b/hardware_configuration.nix
@@ -42,4 +42,7 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  hardware.bluetooth.enable = true; # enables support for Bluetooth
+  hardware.bluetooth.powerOnBoot = true; # powers up the default Bluetooth controller on boot
 }
diff --git a/programm_configs/autorandr.nix b/programm_configs/autorandr.nix
index e43eecf..20560c2 100644
--- a/programm_configs/autorandr.nix
+++ b/programm_configs/autorandr.nix
@@ -1,39 +1,51 @@
 { pkgs, ... }:
+let
+  fingerprints = {
+    HDMI-2-2 = "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";
+    eDP-1 = "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";
+    eDP-2 = "00ffffffffffff004c83414100000000131d0104b5221378029491ae513eb7240b505400000001010101010101010101010101010101f0d40040f17018803020440058c21000001bf0d40040f17018803020440058c21000001b0000000f00ff093cff093c2c800000000000000000fe0041544e413536575230382d3020011502030f00e3058000e6060501736d0700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ab";
+  };
+  monitorconf = {
+    enable = true;
+    primary = true;
+    position = "5760x0";
+    mode = "1920x1080";
+    #gamma = "1.0:0.909:0.833";
+    rate = "60.00";
+    scale = {
+      x = 1.0;
+      y = 1.0;
+    };
+  };
+  internalconf = {
+    enable = true;
+    primary = false;
+    position = "0x0";
+    mode = "3840x2160";
+    #gamma = "1.0:0.909:0.833";
+    rate = "60.00";
+    scale = {
+      x = 0.5;
+      y = 0.5;
+    };
+  };
+in
 {
   programs.autorandr = {
     enable = true;
     profiles = {
-      "docked" = {
-        fingerprint = {
-          HDMI-2-2 = "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";
-
-          eDP-1 = "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";
-        };
+      "docked1" = {
+        fingerprint = fingerprints;
         config = {
-          HDMI-2-2 = {
-            enable = true;
-            primary = true;
-            position = "5760x0";
-            mode = "1920x1080";
-            #gamma = "1.0:0.909:0.833";
-            rate = "60.00";
-            scale = {
-              x = 1.0;
-              y = 1.0;
-            };
-          };
-          eDP-1 = {
-            enable = true;
-            primary = false;
-            position = "0x0";
-            mode = "3840x2160";
-            #gamma = "1.0:0.909:0.833";
-            rate = "60.00";
-            scale = {
-              x = 0.5;
-              y = 0.5;
-            };
-          };
+          HDMI-2-2 = monitorconf;
+          eDP-1 = internalconf;
+        };
+      };
+      "docked2" = {
+        fingerprint = fingerprints;
+        config = {
+          HDMI-2-2 = monitorconf;
+          eDP-2 = internalconf;
         };
       };
     };
diff --git a/programm_configs/i3.nix b/programm_configs/i3.nix
index 15b6ab1..a06d37d 100644
--- a/programm_configs/i3.nix
+++ b/programm_configs/i3.nix
@@ -47,6 +47,11 @@ in
           always = true;
           notification = false;
         }
+        {
+          command = "blueman-applet";
+          always = true;
+          notification = false;
+        }
       ];
     };