diff --git a/build_uf2/Pico_Game_Controller.uf2 b/build_uf2/Pico_Game_Controller.uf2
index cfd24d2..c97b943 100644
Binary files a/build_uf2/Pico_Game_Controller.uf2 and b/build_uf2/Pico_Game_Controller.uf2 differ
diff --git a/src/controller_config.h b/src/controller_config.h
index d948388..03f5e23 100644
--- a/src/controller_config.h
+++ b/src/controller_config.h
@@ -5,6 +5,7 @@
 #define LED_GPIO_SIZE 10              // Number of switch LEDs
 #define ENC_GPIO_SIZE 2               // Number of encoders
 #define ENC_PPR 600                   // Encoder PPR
+#define MOUSE_SENS 1                  // Mouse sensitivity multiplier
 #define ENC_DEBOUNCE true             // Encoder Debouncing
 #define SW_DEBOUNCE_TIME_US 4000      // Switch debounce delay in us
 #define ENC_PULSE (ENC_PPR * 4)       // 4 pulses per PPR
diff --git a/src/pico_game_controller.c b/src/pico_game_controller.c
index db2cf5a..84d9b32 100644
--- a/src/pico_game_controller.c
+++ b/src/pico_game_controller.c
@@ -201,7 +201,8 @@ void key_mode() {
       tud_hid_n_report(0x00, REPORT_ID_KEYBOARD, &nkro_report,
                        sizeof(nkro_report));
     } else {
-      tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta[0], delta[1], 0, 0);
+      tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta[0] * MOUSE_SENS,
+                           delta[1] * MOUSE_SENS, 0, 0);
     }
     // Alternate reports
     kbm_report = !kbm_report;
@@ -239,6 +240,17 @@ void dma_handler() {
   }
 }
 
+/**
+ * Second Core Runnable
+ **/
+void core1_entry() {
+  uint32_t counter = 0;
+  while (1) {
+    ws2812b_update(++counter);
+    sleep_ms(5);
+  }
+}
+
 /**
  * Initialize Board Pins
  **/
@@ -308,16 +320,10 @@ void init() {
     loop_mode = &joy_mode;
     joy_mode_check = true;
   }
-}
 
-/**
- * Second Core Runnable
- **/
-void core1_entry() {
-  uint32_t counter = 0;
-  while (1) {
-    ws2812b_update(++counter);
-    sleep_ms(5);
+  // Disable RGB
+  if (gpio_get(SW_GPIO[8])) {
+    multicore_launch_core1(core1_entry);
   }
 }
 
@@ -329,8 +335,6 @@ int main(void) {
   init();
   tusb_init();
 
-  multicore_launch_core1(core1_entry);
-
   while (1) {
     tud_task();  // tinyusb device task
     update_inputs();