diff --git a/config/corne.keymap b/config/corne.keymap
index 4550633..5fe9b9c 100644
--- a/config/corne.keymap
+++ b/config/corne.keymap
@@ -4,6 +4,10 @@
 #include <behaviors.dtsi>
 #include <dt-bindings/zmk/keys.h>
 #include <dt-bindings/zmk/bt.h>
+
+#define ZMK_MOUSE_DEFAULT_MOVE_VAL 800  // 600
+#define ZMK_MOUSE_DEFAULT_SCRL_VAL 20   // 10
+
 #include <dt-bindings/zmk/mouse.h>
 
 #define ENG 0
@@ -25,8 +29,19 @@
     tapping-term-ms = <200>;
     quick-tap-ms = <150>; 
 };
+
 &mmv {
     time-to-max-speed-ms = <500>;
+    acceleration-exponent = <1>;  // 1
+    time-to-max-speed-ms = <300>; // 300
+    delay-ms = <0>;
+    trigger-period-ms = <8>;      // 16
+};
+&msc {
+    acceleration-exponent = <1>;  // 0
+    time-to-max-speed-ms = <40>;  // 300
+    delay-ms = <0>;
+    trigger-period-ms = <8>;      // 16
 };
 
 / {