diff --git a/src/ble/gatt-service/volume_control_service_server.c b/src/ble/gatt-service/volume_control_service_server.c
index 284bf28a0..315991114 100644
--- a/src/ble/gatt-service/volume_control_service_server.c
+++ b/src/ble/gatt-service/volume_control_service_server.c
@@ -432,6 +432,9 @@ void volume_control_service_server_set_volume_state(uint8_t volume_setting, vcs_
     }
 }
 
+void volume_control_service_server_set_volume_change_step(uint8_t volume_change_step){
+    vcs_volume_change_step_size = volume_change_step;
+}
 
 uint8_t volume_control_service_server_set_audio_input_state_for_aics(uint8_t aics_index, aics_audio_input_state_t * audio_input_state){
     if (aics_index >= aics_services_num){
diff --git a/src/ble/gatt-service/volume_control_service_server.h b/src/ble/gatt-service/volume_control_service_server.h
index 81c5e5d88..99b723607 100644
--- a/src/ble/gatt-service/volume_control_service_server.h
+++ b/src/ble/gatt-service/volume_control_service_server.h
@@ -98,6 +98,11 @@ void volume_control_service_server_init(uint8_t volume_setting, vcs_mute_t mute,
  */
 void volume_control_service_server_set_volume_state(uint8_t volume_setting, vcs_mute_t mute);
 
+/**
+ * @brief Set volume change step.
+ * @param volume_change_step    
+ */
+void volume_control_service_server_set_volume_change_step(uint8_t volume_change_step);
 
 /**
  * @brief Set mute and gain mode, as well as gain setting of the AICS service identified by aics_index.