diff --git a/biantin/README.md b/biantin/README.md
index c775e97..628ebae 100644
--- a/biantin/README.md
+++ b/biantin/README.md
@@ -1,4 +1,8 @@
 # Create firmware
 ```
 nix build ".#firmware"
+````
+
+# Configure
+[keymap-editor](https://nickcoutsos.github.io/keymap-editor/)
 ```
diff --git a/biantin/config/piantor_pro_bt.keymap b/biantin/config/piantor_pro_bt.keymap
index 3e8457f..d11331a 100644
--- a/biantin/config/piantor_pro_bt.keymap
+++ b/biantin/config/piantor_pro_bt.keymap
@@ -5,6 +5,8 @@
 
 &lt { tapping-term-ms = <150>; };
 
+&msc { time-to-max-speed-ms = <400>; };
+
 / {
     chosen { zmk,physical-layout = &default_layout; };
 };
@@ -70,6 +72,22 @@
         };
     };
 
+    macros {
+        bt_home: bt_mac {
+            compatible = "zmk,behavior-macro";
+            #binding-cells = <0>;
+            bindings = <&bt BT_SEL 0 &to 0>;
+            label = "BT_MAC";
+        };
+
+        bt_work: bt_work {
+            compatible = "zmk,behavior-macro";
+            #binding-cells = <0>;
+            bindings = <&bt BT_SEL 1 &to 1>;
+            label = "BT_WORK";
+        };
+    };
+
     keymap {
         compatible = "zmk,keymap";
 
@@ -83,7 +101,7 @@
         win {
             display-name = "win";
             bindings = <
-&kp ESCAPE  &kp Q  &kp W  &kp E  &kp R  &kp T  &kp Y  &kp U  &kp I  &kp O  &kp P  &backdel  &kp TAB  &hrm LEFT_GUI A  &hrm LEFT_ALT S  &hrm LEFT_CONTROL D  &hrm LEFT_SHIFT F  &kp G  &kp H  &hrm RIGHT_SHIFT J  &hrm RIGHT_CONTROL K  &hrm LEFT_ALT L  &hrm RIGHT_GUI SEMICOLON  &kp SQT  &kp C_MENU  &kp Z  &kp X  &kp C  &kp V  &kp B  &kp N  &kp M  &kp COMMA  &kp DOT  &kp FSLH  &kp GRAVE  &lt 6 ESCAPE  &lt 4 SPACE  &lt_caps 7 0  &lt 3 ESCAPE  &lt 2 ENTER  &lt 5 CAPS
+&kp ESCAPE  &kp Q  &kp W  &kp E  &kp R  &kp T  &kp Y  &kp U  &kp I  &kp O  &kp P  &backdel  &kp TAB  &hrm LEFT_GUI A  &hrm LEFT_ALT S  &hrm LEFT_CONTROL D  &hrm LEFT_SHIFT F  &kp G  &kp H  &hrm RIGHT_SHIFT J  &hrm RIGHT_CONTROL K  &hrm LEFT_ALT L  &hrm RIGHT_GUI SEMICOLON  &kp SQT  &kp C_MENU  &kp Z  &kp X  &kp C  &kp V  &kp B  &kp N  &kp M  &kp COMMA  &kp DOT  &kp FSLH  &kp GRAVE  &lt 6 ESCAPE  &lt 4 SPACE  &lt_caps 8 0  &lt 3 ESCAPE  &lt 2 ENTER  &lt 5 CAPS
             >;
         };
 
@@ -118,24 +136,27 @@
         media {
             display-name = "media";
             bindings = <
-&bt BT_CLR  &none  &to 0  &to 1  &none  &none  &none  &kp C_BRIGHTNESS_DEC  &kp C_BRIGHTNESS_INC  &none  &none  &none  &none  &none  &bt BT_SEL 3  &bt BT_SEL 4  &none  &none  &kp C_PREVIOUS  &kp C_VOL_DN  &kp C_VOLUME_UP  &kp C_NEXT  &none  &none  &studio_unlock  &none  &bt BT_SEL 0  &bt BT_SEL 1  &bt BT_SEL 2  &none  &none  &kp C_MUTE  &none  &none  &none  &none  &none  &none  &none  &kp C_STOP  &kp C_PLAY  &none
+&bt BT_CLR  &none  &to 0  &to 1  &none  &none  &none  &kp C_BRIGHTNESS_DEC  &kp C_BRIGHTNESS_INC  &none  &none  &none  &none  &none  &bt BT_SEL 3  &bt BT_SEL 4  &none  &none  &kp C_PREVIOUS  &kp C_VOL_DN  &kp C_VOLUME_UP  &kp C_NEXT  &none  &none  &studio_unlock  &none  &bt_home  &bt_work  &bt BT_SEL 2  &none  &none  &kp C_MUTE  &none  &none  &none  &none  &none  &none  &none  &kp C_STOP  &kp C_PLAY  &none
             >;
         };
 
-        mouse {
+        mouse_mac {
+            display-name = "mouse";
+            bindings = <
+&none  &none  &none  &none  &none  &none  &msc SCRL_RIGHT  &msc SCRL_UP  &msc SCRL_DOWN  &msc SCRL_LEFT  &none  &none  &none  &trans  &trans  &trans  &trans  &none  &mmv MOVE_LEFT  &mmv MOVE_DOWN  &mmv MOVE_UP  &mmv MOVE_RIGHT  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &mkp RCLK  &mkp LCLK  &mkp MCLK
+            >;
+        };
+
+        mouse_win {
             display-name = "mouse";
             bindings = <
 &none  &none  &none  &none  &none  &none  &msc SCRL_LEFT  &msc SCRL_DOWN  &msc SCRL_UP  &msc SCRL_RIGHT  &none  &none  &none  &trans  &trans  &trans  &trans  &none  &mmv MOVE_LEFT  &mmv MOVE_DOWN  &mmv MOVE_UP  &mmv MOVE_RIGHT  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &none  &mkp RCLK  &mkp LCLK  &mkp MCLK
             >;
         };
 
-        lextra1 {
-            status = "reserved";
-        };
+        lextra1 { status = "reserved"; };
 
-        lextra2 {
-            status = "reserved";
-        };
+        lextra2 { status = "reserved"; };
     };
 };