diff --git a/system/bluetooth.nix b/system/bluetooth.nix
new file mode 100644
index 00000000..6dc8d175
--- /dev/null
+++ b/system/bluetooth.nix
@@ -0,0 +1,3 @@
+{...}: {
+  hardware.bluetooth.enable = true;
+}
diff --git a/system/fonts.nix b/system/fonts.nix
new file mode 100644
index 00000000..3505b118
--- /dev/null
+++ b/system/fonts.nix
@@ -0,0 +1,6 @@
+{...}: {
+  fonts.packages = with pkgs; [
+    nerd-fonts.jetbrains-mono
+    twemoji-color-font
+  ];
+}
diff --git a/system/zsh.nix b/system/zsh.nix
new file mode 100644
index 00000000..ad14ac47
--- /dev/null
+++ b/system/zsh.nix
@@ -0,0 +1,4 @@
+{pkgs, ...}: {
+  programs.zsh.enable = true;
+  users.defaultUserShell = pkgs.zsh;
+}