diff --git a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c
index d087c992d1..eaf6f3d47b 100644
--- a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c
+++ b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c
@@ -31,6 +31,9 @@
 #define APP_RC_CT_TL_RN_PLAYBACK_CHANGE  (3)
 #define APP_RC_CT_TL_RN_PLAY_POS_CHANGE  (4)
 
+/* Application layer causes delay value */
+#define APP_DELAY_VALUE                  50  // 5ms
+
 /*******************************
  * STATIC FUNCTION DECLARATIONS
  ******************************/
@@ -304,10 +307,11 @@ static void bt_av_hdl_a2d_evt(uint16_t event, void *p_param)
         }
         break;
     }
-    /* When the bottom layer knows whether the peer device support delay reporting, this event comes */
-    case ESP_A2D_SUPPORT_DELAY_RPT_EVT: {
+    /* When protocol service capabilities configured, this event comes */
+    case ESP_A2D_SNK_PSC_CFG_EVT: {
         a2d = (esp_a2d_cb_param_t *)(p_param);
-        if (a2d->a2d_support_delay_rpt_stat.is_support_delay_rpt) {
+        ESP_LOGI(BT_AV_TAG, "protocol service capabilities configured: 0x%x ", a2d->a2d_psc_cfg_stat.psc_mask);
+        if (a2d->a2d_psc_cfg_stat.psc_mask & ESP_A2D_PSC_DELAY_RPT) {
             ESP_LOGI(BT_AV_TAG, "Peer device support delay reporting");
         } else {
             ESP_LOGI(BT_AV_TAG, "Peer device unsupport delay reporting");
@@ -320,14 +324,14 @@ static void bt_av_hdl_a2d_evt(uint16_t event, void *p_param)
         if (ESP_A2D_SET_INVALID_PARAMS == a2d->a2d_set_delay_value_stat.set_state) {
             ESP_LOGI(BT_AV_TAG, "Set delay report value: fail");
         } else {
-            ESP_LOGI(BT_AV_TAG, "Set delay report value: success, delay_value:0x%x * 1/10 ms\n", a2d->a2d_set_delay_value_stat.delay_value);
+            ESP_LOGI(BT_AV_TAG, "Set delay report value: success, delay_value: %u * 1/10 ms", a2d->a2d_set_delay_value_stat.delay_value);
         }
         break;
     }
     /* when get delay value completed, this event comes */
     case ESP_A2D_SNK_GET_DELAY_VALUE_EVT: {
         a2d = (esp_a2d_cb_param_t *)(p_param);
-        ESP_LOGI(BT_AV_TAG, "Get delay report value: delay_value:0x%x * 1/10 ms\n", a2d->a2d_get_delay_value_stat.delay_value);
+        ESP_LOGI(BT_AV_TAG, "Get delay report value: delay_value: %u * 1/10 ms", a2d->a2d_get_delay_value_stat.delay_value);
         /* Default delay value plus delay caused by application layer */
         esp_a2d_sink_set_delay_value(a2d->a2d_get_delay_value_stat.delay_value + APP_DELAY_VALUE);
         break;
@@ -466,7 +470,7 @@ void bt_app_a2d_cb(esp_a2d_cb_event_t event, esp_a2d_cb_param_t *param)
     case ESP_A2D_AUDIO_STATE_EVT:
     case ESP_A2D_AUDIO_CFG_EVT:
     case ESP_A2D_PROF_STATE_EVT:
-    case ESP_A2D_SUPPORT_DELAY_RPT_EVT:
+    case ESP_A2D_SNK_PSC_CFG_EVT:
     case ESP_A2D_SNK_SET_DELAY_VALUE_EVT:
     case ESP_A2D_SNK_GET_DELAY_VALUE_EVT: {
         bt_app_work_dispatch(bt_av_hdl_a2d_evt, event, param, sizeof(esp_a2d_cb_param_t), NULL);
diff --git a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/main.c b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/main.c
index 78e4a0a5b4..b0b1efb7cf 100644
--- a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/main.c
+++ b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/main.c
@@ -111,6 +111,9 @@ static void bt_av_hdl_stack_evt(uint16_t event, void *p_param)
         esp_a2d_register_callback(&bt_app_a2d_cb);
         esp_a2d_sink_register_data_callback(bt_app_a2d_data_cb);
 
+        /* Get the default value of the delay value */
+        esp_a2d_sink_get_delay_value();
+
         /* set discoverable and connectable mode, wait to be connected */
         esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
         break;
diff --git a/examples/bluetooth/bluedroid/classic_bt/a2dp_source/main/main.c b/examples/bluetooth/bluedroid/classic_bt/a2dp_source/main/main.c
index d43179b55f..0ceed1d01f 100644
--- a/examples/bluetooth/bluedroid/classic_bt/a2dp_source/main/main.c
+++ b/examples/bluetooth/bluedroid/classic_bt/a2dp_source/main/main.c
@@ -393,6 +393,7 @@ static void bt_app_av_sm_hdlr(uint16_t event, void *param)
 
 static void bt_app_av_state_unconnected_hdlr(uint16_t event, void *param)
 {
+    esp_a2d_cb_param_t *a2d = NULL;
     /* handle the events of intrest in unconnected state */
     switch (event) {
     case ESP_A2D_CONNECTION_STATE_EVT:
@@ -409,6 +410,11 @@ static void bt_app_av_state_unconnected_hdlr(uint16_t event, void *param)
         s_connecting_intv = 0;
         break;
     }
+    case ESP_A2D_REPORT_SNK_DELAY_VALUE_EVT: {
+        a2d = (esp_a2d_cb_param_t *)(param);
+        ESP_LOGI(BT_AV_TAG, "%s, delay value: %u * 1/10 ms", __func__, a2d->a2d_report_delay_value_stat.delay_value);
+        break;
+    }
     default: {
         ESP_LOGE(BT_AV_TAG, "%s unhandled event: %d", __func__, event);
         break;
@@ -448,6 +454,11 @@ static void bt_app_av_state_connecting_hdlr(uint16_t event, void *param)
             s_connecting_intv = 0;
         }
         break;
+    case ESP_A2D_REPORT_SNK_DELAY_VALUE_EVT: {
+        a2d = (esp_a2d_cb_param_t *)(param);
+        ESP_LOGI(BT_AV_TAG, "%s, delay value: %u * 1/10 ms", __func__, a2d->a2d_report_delay_value_stat.delay_value);
+        break;
+    }
     default:
         ESP_LOGE(BT_AV_TAG, "%s unhandled event: %d", __func__, event);
         break;
@@ -554,6 +565,11 @@ static void bt_app_av_state_connected_hdlr(uint16_t event, void *param)
         bt_app_av_media_proc(event, param);
         break;
     }
+    case ESP_A2D_REPORT_SNK_DELAY_VALUE_EVT: {
+        a2d = (esp_a2d_cb_param_t *)(param);
+        ESP_LOGI(BT_AV_TAG, "%s, delay value: %u * 1/10 ms", __func__, a2d->a2d_report_delay_value_stat.delay_value);
+        break;
+    }
     default: {
         ESP_LOGE(BT_AV_TAG, "%s unhandled event: %d", __func__, event);
         break;
@@ -581,6 +597,11 @@ static void bt_app_av_state_disconnecting_hdlr(uint16_t event, void *param)
     case ESP_A2D_MEDIA_CTRL_ACK_EVT:
     case BT_APP_HEART_BEAT_EVT:
         break;
+    case ESP_A2D_REPORT_SNK_DELAY_VALUE_EVT: {
+        a2d = (esp_a2d_cb_param_t *)(param);
+        ESP_LOGI(BT_AV_TAG, "%s, delay value: 0x%u * 1/10 ms", __func__, a2d->a2d_report_delay_value_stat.delay_value);
+        break;
+    }
     default: {
         ESP_LOGE(BT_AV_TAG, "%s unhandled event: %d", __func__, event);
         break;