diff --git a/source/application/bluetooth.c b/source/application/bluetooth.c
index 02cef3f9..77051e86 100644
--- a/source/application/bluetooth.c
+++ b/source/application/bluetooth.c
@@ -446,12 +446,13 @@ void bluetooth_setup()
     bond.keyset.keys_peer.p_id_key = &bond.peer_id_key;
     bond.keyset.keys_peer.p_pk = &bond.peer_private_key;
 
-    // Set connection parameters
+    // Set connection parameters - maximum power optimization
+    // Ultra-low power: Wake only once per second or less
     ble_gap_conn_params_t gap_conn_params = {0};
-    gap_conn_params.min_conn_interval = (15 * 1000) / 1250;
-    gap_conn_params.max_conn_interval = (15 * 1000) / 1250;
-    gap_conn_params.slave_latency = 0;
-    gap_conn_params.conn_sup_timeout = (2000 * 1000) / 10000;
+    gap_conn_params.min_conn_interval = (1000 * 1000) / 1250; // 1000ms = 1 second
+    gap_conn_params.max_conn_interval = (2000 * 1000) / 1250; // 2000ms = 2 seconds max
+    gap_conn_params.slave_latency = 4;                        // Skip 4 additional events  
+    gap_conn_params.conn_sup_timeout = (8000 * 1000) / 10000; // 8s timeout
     check_error(sd_ble_gap_ppcp_set(&gap_conn_params));
 
     // Create the service UUIDs
@@ -554,7 +555,7 @@ void bluetooth_setup()
     adv_params.properties.type = BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED;
     adv_params.primary_phy = BLE_GAP_PHY_1MBPS;
     adv_params.secondary_phy = BLE_GAP_PHY_1MBPS;
-    adv_params.interval = (20 * 1000) / 625;
+    adv_params.interval = (2000 * 1000) / 625;  // 2000ms = 2 seconds (maximum power saving)
 
     // Configure the advertising set
     check_error(sd_ble_gap_adv_set_configure(&ble_handles.advertising,
diff --git a/source/application/lua_libraries/imu.c b/source/application/lua_libraries/imu.c
index bc29570e..7d15a01d 100644
--- a/source/application/lua_libraries/imu.c
+++ b/source/application/lua_libraries/imu.c
@@ -29,6 +29,7 @@
 #include "lauxlib.h"
 #include "lua.h"
 #include "main.h"
+#include "nrf_soc.h"
 #include "nrfx_gpiote.h"
 #include "nrfx_systick.h"
 #include "pinout.h"
@@ -109,7 +110,7 @@ static imu_values_t get_imu_data(void)
     check_error(i2c_write(MAGNETOMETER, 0x1B, 0x80, 0x80).fail);
     check_error(i2c_write(MAGNETOMETER, 0x1D, 0x40, 0x40).fail);
 
-    // Wait until data is ready
+    // Wait until data is ready - power optimized
     while (true)
     {
         if (not_real_hardware)
@@ -122,7 +123,9 @@ static imu_values_t get_imu_data(void)
             break;
         }
 
-        nrfx_systick_delay_ms(1);
+        // Power optimization: Use event-driven sleep instead of delay
+        // This allows CPU to sleep between magnetometer polls
+        check_error(sd_app_evt_wait());
     }
 
     // Read magnetometer (14 bit signed integers)
diff --git a/source/application/main.c b/source/application/main.c
index 3d913237..85d6f3be 100644
--- a/source/application/main.c
+++ b/source/application/main.c
@@ -36,6 +36,7 @@
 #include "nrf_clock.h"
 #include "nrf_gpio.h"
 #include "nrf_sdm.h"
+#include "nrf_soc.h"
 #include "nrf.h"
 #include "nrfx_gpiote.h"
 #include "nrfx_log.h"
@@ -476,5 +477,9 @@ int main(void)
         reload_watchdog(NULL, NULL);
 
         run_lua(bluetooth_is_paired());
+
+        // Power optimization: Put CPU to sleep until next event
+        // This prevents busy-wait loop that drains battery
+        check_error(sd_app_evt_wait());
     }
 }
\ No newline at end of file