diff --git a/homeassistant/components/lametric/entity.py b/homeassistant/components/lametric/entity.py
index 4764974b5e0..f0c0d14e0e4 100644
--- a/homeassistant/components/lametric/entity.py
+++ b/homeassistant/components/lametric/entity.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from homeassistant.helpers.device_registry import (
+    CONNECTION_BLUETOOTH,
     CONNECTION_NETWORK_MAC,
     DeviceInfo,
     format_mac,
@@ -21,10 +22,13 @@ class LaMetricEntity(CoordinatorEntity[LaMetricDataUpdateCoordinator]):
     def __init__(self, coordinator: LaMetricDataUpdateCoordinator) -> None:
         """Initialize the LaMetric entity."""
         super().__init__(coordinator=coordinator)
+        connections = {(CONNECTION_NETWORK_MAC, format_mac(coordinator.data.wifi.mac))}
+        if coordinator.data.bluetooth is not None:
+            connections.add(
+                (CONNECTION_BLUETOOTH, format_mac(coordinator.data.bluetooth.address))
+            )
         self._attr_device_info = DeviceInfo(
-            connections={
-                (CONNECTION_NETWORK_MAC, format_mac(coordinator.data.wifi.mac))
-            },
+            connections=connections,
             identifiers={(DOMAIN, coordinator.data.serial_number)},
             manufacturer="LaMetric Inc.",
             model_id=coordinator.data.model,
diff --git a/tests/components/lametric/fixtures/device.json b/tests/components/lametric/fixtures/device.json
index a184d9f0aa1..bf2580a0c5d 100644
--- a/tests/components/lametric/fixtures/device.json
+++ b/tests/components/lametric/fixtures/device.json
@@ -12,7 +12,7 @@
   },
   "bluetooth": {
     "active": false,
-    "address": "AA:BB:CC:DD:EE:FF",
+    "address": "AA:BB:CC:DD:EE:EE",
     "available": true,
     "discoverable": true,
     "low_energy": {
diff --git a/tests/components/lametric/snapshots/test_diagnostics.ambr b/tests/components/lametric/snapshots/test_diagnostics.ambr
index bc16e318a73..ea9dfdde92f 100644
--- a/tests/components/lametric/snapshots/test_diagnostics.ambr
+++ b/tests/components/lametric/snapshots/test_diagnostics.ambr
@@ -15,7 +15,7 @@
     }),
     'bluetooth': dict({
       'active': False,
-      'address': 'AA:BB:CC:DD:EE:FF',
+      'address': 'AA:BB:CC:DD:EE:EE',
       'available': True,
       'discoverable': True,
       'name': '**REDACTED**',
diff --git a/tests/components/lametric/test_button.py b/tests/components/lametric/test_button.py
index cf8d76ca5f3..e42e3248a73 100644
--- a/tests/components/lametric/test_button.py
+++ b/tests/components/lametric/test_button.py
@@ -44,7 +44,8 @@ async def test_button_app_next(
     assert device_entry
     assert device_entry.configuration_url == "https://127.0.0.1/"
     assert device_entry.connections == {
-        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
     }
     assert device_entry.entry_type is None
     assert device_entry.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
@@ -91,7 +92,8 @@ async def test_button_app_previous(
     assert device_entry
     assert device_entry.configuration_url == "https://127.0.0.1/"
     assert device_entry.connections == {
-        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
     }
     assert device_entry.entry_type is None
     assert device_entry.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
@@ -139,7 +141,8 @@ async def test_button_dismiss_current_notification(
     assert device_entry
     assert device_entry.configuration_url == "https://127.0.0.1/"
     assert device_entry.connections == {
-        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
     }
     assert device_entry.entry_type is None
     assert device_entry.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
@@ -187,7 +190,8 @@ async def test_button_dismiss_all_notifications(
     assert device_entry
     assert device_entry.configuration_url == "https://127.0.0.1/"
     assert device_entry.connections == {
-        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
     }
     assert device_entry.entry_type is None
     assert device_entry.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
diff --git a/tests/components/lametric/test_number.py b/tests/components/lametric/test_number.py
index f34cf04aed9..dea693e86aa 100644
--- a/tests/components/lametric/test_number.py
+++ b/tests/components/lametric/test_number.py
@@ -56,7 +56,10 @@ async def test_brightness(
     device = device_registry.async_get(entry.device_id)
     assert device
     assert device.configuration_url == "https://127.0.0.1/"
-    assert device.connections == {(dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")}
+    assert device.connections == {
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
+    }
     assert device.entry_type is None
     assert device.hw_version is None
     assert device.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
@@ -105,7 +108,10 @@ async def test_volume(
     device = device_registry.async_get(entry.device_id)
     assert device
     assert device.configuration_url == "https://127.0.0.1/"
-    assert device.connections == {(dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")}
+    assert device.connections == {
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
+    }
     assert device.entry_type is None
     assert device.hw_version is None
     assert device.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
diff --git a/tests/components/lametric/test_select.py b/tests/components/lametric/test_select.py
index 177092f061e..e7a2ad52670 100644
--- a/tests/components/lametric/test_select.py
+++ b/tests/components/lametric/test_select.py
@@ -49,7 +49,10 @@ async def test_brightness_mode(
     device = device_registry.async_get(entry.device_id)
     assert device
     assert device.configuration_url == "https://127.0.0.1/"
-    assert device.connections == {(dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")}
+    assert device.connections == {
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
+    }
     assert device.entry_type is None
     assert device.hw_version is None
     assert device.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
diff --git a/tests/components/lametric/test_sensor.py b/tests/components/lametric/test_sensor.py
index a0719edfc9d..9915b31d283 100644
--- a/tests/components/lametric/test_sensor.py
+++ b/tests/components/lametric/test_sensor.py
@@ -42,7 +42,10 @@ async def test_wifi_signal(
     device = device_registry.async_get(entry.device_id)
     assert device
     assert device.configuration_url == "https://127.0.0.1/"
-    assert device.connections == {(dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")}
+    assert device.connections == {
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
+    }
     assert device.entry_type is None
     assert device.hw_version is None
     assert device.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
diff --git a/tests/components/lametric/test_switch.py b/tests/components/lametric/test_switch.py
index 155a315881f..252ced706d3 100644
--- a/tests/components/lametric/test_switch.py
+++ b/tests/components/lametric/test_switch.py
@@ -51,7 +51,10 @@ async def test_bluetooth(
     device = device_registry.async_get(entry.device_id)
     assert device
     assert device.configuration_url == "https://127.0.0.1/"
-    assert device.connections == {(dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")}
+    assert device.connections == {
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff"),
+        (dr.CONNECTION_BLUETOOTH, "aa:bb:cc:dd:ee:ee"),
+    }
     assert device.entry_type is None
     assert device.hw_version is None
     assert device.identifiers == {(DOMAIN, "SA110405124500W00BS9")}