nixos/home/hyprland/waybar/modules/pulseaudio.nix

{
  scroll-step = 5;
  format = "{volume}% {icon} {format_source}";
  format-bluetooth = "{volume}% {icon} {format_source}";
  format-bluetooth-muted = "󰝟 {icon} {format_source}";
  format-muted = "󰝟  {format_source}";
  format-source = "{volume}% 󰍬";
  format-source-muted = "󰍭";
  format-icons = {
    headphone = "󰋋";
    hands-free = " ";
    headset = "󰋎";
    phone = "󰏲";
    portable = "󰏳";
    car = "󰄍";
    default = [ "󰕿" "󰖀" "󰕾" ];
  };
  on-click = "pavucontrol";
}