diff --git a/config/reviung41.keymap b/config/reviung41.keymap
index 66df306..6864ef1 100644
--- a/config/reviung41.keymap
+++ b/config/reviung41.keymap
@@ -45,6 +45,7 @@
 #include <dt-bindings/zmk/keys.h>
 #include <dt-bindings/zmk/bt.h>
 #include <dt-bindings/zmk/rgb.h>
+#include <dt-bindings/zmk/outputs.h>
 
 
 
@@ -52,6 +53,31 @@
         tapping-term-ms = <300>;
 };
 
+/ {
+    combos {
+        compatible = "zmk,combos";
+        combo_bksp {
+            timeout-ms = <50>;
+            key-positions = <20 21>;
+            bindings = <&kp BSPC>;
+            layers = <0>;
+        };
+        combo_tab {
+            timeout-ms = <50>;
+            key-positions = <28 29>;
+            bindings = <&kp TAB>;
+            layers = <0>;
+        };
+        combo_ret {
+            timeout-ms = <50>;
+            key-positions = <32 33>;
+            bindings = <&kp RET>;
+            layers = <0>;
+        };
+        
+    };
+};
+
 / {
         behaviors {
                 gqt: global-quick-tap {
@@ -70,13 +96,13 @@
 
                 default_layer {
                         bindings = <
-   &none     &kp Q        &kp W        &kp E       &kp R        &kp T        &kp Y  &kp U  &kp I     &kp O   &kp P          &kp BSPC
-   &kp COLON &gqt LCTRL A &gqt LSHFT S &gqt LALT D &gqt LCMD F  &kp G        &kp H  &kp J  &kp K     &kp L   &mt RSHFT SEMI &kp SQT
-   &none     &kp Z        &kp X        &kp C       &kp V        &kp B        &kp N  &kp M  &kp COMMA &kp DOT &kp FSLH       &mt RCTRL RET
-                                            &mo 4   &lt 2 ESC   &kp SPACE   &mo 1   &mo 3
+   &none     &kp Q        &kp W        &kp E       &kp R       &kp T        &kp Y  &kp U &kp I     &kp O   &kp P           &kp BSPC
+   &kp COLON &gqt LCTRL A &gqt LSHFT S &gqt LALT D &gqt LCMD F &kp G        &kp H  &kp J &kp K     &kp L   &gqt RSHFT SEMI &kp SQT
+   &none     &kp Z        &kp X        &kp C       &kp V       &kp B        &kp N  &kp M &kp COMMA &kp DOT &gqt RCTRL FSLH &kp RET
+                                               &mo 4   &lt 2 ESC   &kp SPACE   &mo 1   &mo 3
                         >;
                 };
-
+ 
                 symbols {
                         bindings = <
    &none &kp EXCL   &kp AT     &kp LBRC  &kp RBRC  &kp PIPE       &kp PLUS  &kp STAR   &kp PRCNT  &none     &none     &none
@@ -109,7 +135,7 @@
                 media_ctrl {
                         bindings = <
    &rgb_ug RGB_BRI &rgb_ug RGB_SAI &rgb_ug RGB_HUI &rgb_ug RGB_EFF &none &rgb_ug RGB_TOG    &bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &bt BT_SEL 4 &bt BT_CLR
-   &rgb_ug RGB_BRD &rgb_ug RGB_SAD &rgb_ug RGB_HUD &rgb_ug RGB_EFR &none &none              &kp C_PP     &kp C_VOL_DN &kp C_VOL_UP &kp C_MUTE   &none        &none
+   &rgb_ug RGB_BRD &rgb_ug RGB_SAD &rgb_ug RGB_HUD &rgb_ug RGB_EFR &none &none              &kp C_PP     &kp C_VOL_DN &kp C_VOL_UP &kp C_MUTE   &none        &out OUT_TOG
    &none           &none           &none           &none           &none &none              &none        &none        &none        &none        &none        &none
                                                              &none      &none       &none        &none      &none
                         >;