diff --git a/config.def.h b/config.def.h
index f3e6613..747eb3b 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,5 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 
+#include <X11/XF86keysym.h>
+
 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
 static const unsigned int snap      = 32;       /* snap pixel */
@@ -42,12 +44,11 @@ static const float mfact     = 0.55; /* factor of master area size [0.05..0.95]
 static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 static const int attachdirection = 2;    /* 0 default, 1 above, 2 aside, 3 below, 4 bottom, 5 top */
+static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
 
 #define FORCE_VSPLIT 1  /* nrowgrid layout: force two clients to always split vertically */
 #include "vanitygaps.c"
 
-static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
-
 static const Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },    /* first entry is default */
@@ -83,6 +84,10 @@ static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn()
 static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
 static const char *termcmd[]  = { "st", NULL };
 
+static const char *upvol[]   = { "pulsemixer" , "--change-volume", "+5", NULL };
+static const char *downvol[]   = { "pulsemixer" , "--change-volume", "-5", NULL };
+static const char *mutevol[]   = { "pulsemixer" , "--toggle-mute", NULL };
+
 static Key keys[] = {
 	/* modifier                     key        function        argument */
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
@@ -137,6 +142,12 @@ static Key keys[] = {
 	TAGKEYS(                        XK_8,                      7)
 	TAGKEYS(                        XK_9,                      8)
 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+
+	// https://gist.github.com/palopezv/efd34059af6126ad970940bcc6a90f2e
+	// In my case, these XF86XK keys are FN+F2, FN+F4, FN+F3 respectively...
+	{ 0,                       XF86XK_AudioLowerVolume, spawn, {.v = downvol } },
+	{ 0,                       XF86XK_AudioMute, spawn, {.v = mutevol } },
+	{ 0,                       XF86XK_AudioRaiseVolume, spawn, {.v = upvol   } },
 };
 
 /* button definitions */
diff --git a/config.h b/config.h
index bd86fb1..124ccbf 100644
--- a/config.h
+++ b/config.h
@@ -1,5 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 
+#include <X11/XF86keysym.h>
+
 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
 static const unsigned int snap      = 32;       /* snap pixel */
@@ -42,6 +44,7 @@ static const float mfact     = 0.55; /* factor of master area size [0.05..0.95]
 static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 static const int attachdirection = 2;    /* 0 default, 1 above, 2 aside, 3 below, 4 bottom, 5 top */
+static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
 
 #define FORCE_VSPLIT 1  /* nrowgrid layout: force two clients to always split vertically */
 #include "vanitygaps.c"
@@ -81,6 +84,10 @@ static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn()
 static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
 static const char *termcmd[]  = { "st", NULL };
 
+static const char *upvol[]   = { "pulsemixer" , "--change-volume", "+5", NULL };
+static const char *downvol[]   = { "pulsemixer" , "--change-volume", "-5", NULL };
+static const char *mutevol[]   = { "pulsemixer" , "--toggle-mute", NULL };
+
 static Key keys[] = {
 	/* modifier                     key        function        argument */
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
@@ -135,6 +142,16 @@ static Key keys[] = {
 	TAGKEYS(                        XK_8,                      7)
 	TAGKEYS(                        XK_9,                      8)
 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+
+	// https://gist.github.com/palopezv/efd34059af6126ad970940bcc6a90f2e
+	/*
+	{ MODKEY,                       XK_F2, spawn, {.v = downvol } },
+	{ MODKEY,                       XK_F4,  spawn, {.v = mutevol } },
+	{ MODKEY,                       XK_F3, spawn, {.v = upvol   } },
+	*/
+	{ 0,                       XF86XK_AudioLowerVolume, spawn, {.v = downvol } },
+	{ 0,                       XF86XK_AudioMute, spawn, {.v = mutevol } },
+	{ 0,                       XF86XK_AudioRaiseVolume, spawn, {.v = upvol   } },
 };
 
 /* button definitions */