diff --git a/firmware/main/apps/app_avatar/app_avatar.cpp b/firmware/main/apps/app_avatar/app_avatar.cpp
index 8d2eaf7b..b0d16fbc 100644
--- a/firmware/main/apps/app_avatar/app_avatar.cpp
+++ b/firmware/main/apps/app_avatar/app_avatar.cpp
@@ -247,6 +247,24 @@ void AppAvatar::onOpen()
         }
     });
 
+    GetHAL().onWsDeviceControl.connect([&](const WsDeviceControl_t& control) {
+        LvglLockGuard lvgl_lock;
+
+        switch (control.action) {
+            case WsDeviceControlAction::Sleep:
+                GetHAL().enterRemoteSleepMode();
+                break;
+            case WsDeviceControlAction::Wake:
+                GetHAL().exitRemoteSleepMode();
+                break;
+            case WsDeviceControlAction::PowerOff:
+                GetHAL().remotePowerOff();
+                break;
+            default:
+                break;
+        }
+    });
+
     GetHAL().onWsDanceData.connect([&](std::string_view data) {
         LvglLockGuard lvgl_lock;
         auto sequence = stackchan::animation::parse_sequence_from_json(data.data());
@@ -324,6 +342,7 @@ void AppAvatar::onClose()
         GetHAL().onWsCallRequest.clear();
         GetHAL().onWsCallEnd.clear();
         GetHAL().onWsTextMessage.clear();
+        GetHAL().onWsDeviceControl.clear();
         GetHAL().onWsDanceData.clear();
 
         _ws_call_view_id         = -1;
diff --git a/firmware/main/apps/app_avatar/view/ws_display_card.cpp b/firmware/main/apps/app_avatar/view/ws_display_card.cpp
index 72379231..dc21a974 100644
--- a/firmware/main/apps/app_avatar/view/ws_display_card.cpp
+++ b/firmware/main/apps/app_avatar/view/ws_display_card.cpp
@@ -51,7 +51,7 @@ WsDisplayCardView::WsDisplayCardView(lv_obj_t* parent, std::string title, const
     _title->align(LV_ALIGN_TOP_LEFT, 0, 0);
     _title->setWidth(260);
     _title->setText(title.empty() ? "STATUS" : title);
-    _title->setTextFont(&lv_font_montserrat_18);
+    _title->setTextFont(&lv_font_montserrat_20);
     _title->setTextColor(lv_color_hex(0x47330A));
 
     _content = std::make_unique<uitk::lvgl_cpp::Label>(_card->get());
diff --git a/firmware/main/hal/board/hal_bridge.h b/firmware/main/hal/board/hal_bridge.h
index ee3f6bd0..f3c1d343 100644
--- a/firmware/main/hal/board/hal_bridge.h
+++ b/firmware/main/hal/board/hal_bridge.h
@@ -60,6 +60,8 @@ void board_set_backlight_brightness(uint8_t brightness, bool permanent = false);
 uint8_t board_get_backlight_brightness();
 void board_set_speaker_volume(uint8_t volume, bool permanent = false);
 uint8_t board_get_speaker_volume();
+void board_set_power_save_mode(bool enabled);
+void board_power_off();
 
 void app_play_sound(const std::string_view& sound);
 
diff --git a/firmware/main/hal/board/stackchan.cc b/firmware/main/hal/board/stackchan.cc
index 7349b145..dfc0bd71 100644
--- a/firmware/main/hal/board/stackchan.cc
+++ b/firmware/main/hal/board/stackchan.cc
@@ -552,6 +552,26 @@ class M5StackCoreS3Board : public WifiBoard {
         return &backlight;
     }
 
+    void SetManualPowerSaveMode(bool enabled)
+    {
+        if (enabled) {
+            GetDisplay()->SetPowerSaveMode(true);
+            GetBacklight()->SetBrightness(10);
+            return;
+        }
+
+        GetDisplay()->SetPowerSaveMode(false);
+        GetBacklight()->RestoreBrightness();
+        if (power_save_timer_ != nullptr) {
+            power_save_timer_->WakeUp();
+        }
+    }
+
+    void PowerOffNow()
+    {
+        pmic_->PowerOff();
+    }
+
     i2c_master_bus_handle_t GetI2cBus()
     {
         return i2c_bus_;
@@ -650,6 +670,18 @@ uint8_t hal_bridge::board_get_speaker_volume()
     return volume;
 }
 
+void hal_bridge::board_set_power_save_mode(bool enabled)
+{
+    auto& board = (M5StackCoreS3Board&)Board::GetInstance();
+    board.SetManualPowerSaveMode(enabled);
+}
+
+void hal_bridge::board_power_off()
+{
+    auto& board = (M5StackCoreS3Board&)Board::GetInstance();
+    board.PowerOffNow();
+}
+
 void hal_bridge::toggle_xiaozhi_chat_state()
 {
     auto& app = Application::GetInstance();
diff --git a/firmware/main/hal/hal.cpp b/firmware/main/hal/hal.cpp
index fded31db..f56dd7d5 100644
--- a/firmware/main/hal/hal.cpp
+++ b/firmware/main/hal/hal.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 #include "hal.h"
+#include "board/hal_bridge.h"
 #include <memory>
 #include <mooncake_log.h>
 #include <nvs_flash.h>
@@ -87,6 +88,21 @@ void Hal::reboot()
     esp_restart();
 }
 
+void Hal::enterRemoteSleepMode()
+{
+    hal_bridge::board_set_power_save_mode(true);
+}
+
+void Hal::exitRemoteSleepMode()
+{
+    hal_bridge::board_set_power_save_mode(false);
+}
+
+void Hal::remotePowerOff()
+{
+    hal_bridge::board_power_off();
+}
+
 static void _confirm_ota_image_if_stable()
 {
     constexpr uint32_t ota_confirm_delay_ms = 20000;
diff --git a/firmware/main/hal/hal.h b/firmware/main/hal/hal.h
index ea489ab7..18f4073e 100644
--- a/firmware/main/hal/hal.h
+++ b/firmware/main/hal/hal.h
@@ -37,6 +37,12 @@ enum class WsTextMessageMode {
     DisplayCard,
 };
 
+enum class WsDeviceControlAction {
+    Sleep = 0,
+    Wake,
+    PowerOff,
+};
+
 /**
  * @brief
  *
@@ -51,6 +57,10 @@ struct WsTextMessage_t {
     uint32_t durationMs = 4000;
 };
 
+struct WsDeviceControl_t {
+    WsDeviceControlAction action = WsDeviceControlAction::Sleep;
+};
+
 /**
  * @brief
  *
@@ -199,6 +209,9 @@ class Hal {
     std::array<uint8_t, 6> getFactoryMac();
     std::string getFactoryMacString(std::string divider = "");
     void reboot();
+    void enterRemoteSleepMode();
+    void exitRemoteSleepMode();
+    void remotePowerOff();
     void updateHeapStatusLog();
     uint8_t getBatteryLevel();
     bool isBatteryCharging();
@@ -256,6 +269,7 @@ class Hal {
     uitk::Signal<bool> onWsCallResponse;
     uitk::Signal<WsSignalSource> onWsCallEnd;
     uitk::Signal<const WsTextMessage_t&> onWsTextMessage;
+    uitk::Signal<const WsDeviceControl_t&> onWsDeviceControl;
     uitk::Signal<bool> onWsVideoModeChange;
     uitk::Signal<std::shared_ptr<LvglImage>> onWsVideoFrame;
     uitk::Signal<std::string_view> onWsDanceData;
diff --git a/firmware/main/hal/hal_ws_avatar.cpp b/firmware/main/hal/hal_ws_avatar.cpp
index 731bd34f..858b6202 100644
--- a/firmware/main/hal/hal_ws_avatar.cpp
+++ b/firmware/main/hal/hal_ws_avatar.cpp
@@ -295,6 +295,28 @@ class WebSocketAvatar {
                             auto type = doc["type"].as<std::string>();
                             if (type == "displayCard" || type == "display_card") {
                                 text_msg.mode = WsTextMessageMode::DisplayCard;
+                            } else if (type == "deviceControl" || type == "device_control") {
+                                WsDeviceControl_t control_msg;
+
+                                if (!doc["action"].is<std::string>()) {
+                                    ESP_LOGE(_tag.c_str(), "deviceControl action missing");
+                                    return;
+                                }
+
+                                auto action = doc["action"].as<std::string>();
+                                if (action == "sleep") {
+                                    control_msg.action = WsDeviceControlAction::Sleep;
+                                } else if (action == "wake") {
+                                    control_msg.action = WsDeviceControlAction::Wake;
+                                } else if (action == "powerOff" || action == "power_off" || action == "shutdown") {
+                                    control_msg.action = WsDeviceControlAction::PowerOff;
+                                } else {
+                                    ESP_LOGE(_tag.c_str(), "unknown deviceControl action: %s", action.c_str());
+                                    return;
+                                }
+
+                                GetHAL().onWsDeviceControl.emit(control_msg);
+                                return;
                             }
                         }