diff --git a/mouse/ESP32-BLE-Mouse-master.zip b/mouse/ESP32-BLE-Mouse-master.zip
index 70c4ff4..1b62808 100644
Binary files a/mouse/ESP32-BLE-Mouse-master.zip and b/mouse/ESP32-BLE-Mouse-master.zip differ
diff --git a/mouse/LedControl.cpp b/mouse/LedControl.cpp
new file mode 100644
index 0000000..b2f046e
--- /dev/null
+++ b/mouse/LedControl.cpp
@@ -0,0 +1,120 @@
+#include "LedControl.h"
+#include <cmath>
+
+void LedControl::begin() {
+    rgbLed.begin();
+    loadSettings();
+    applyColor();
+}
+
+// Вспомогательная функция для создания дескриптора с описанием
+BLEDescriptor* createUserDescription(const char* description) {
+    BLEDescriptor* desc = new BLEDescriptor(BLEUUID((uint16_t)0x2901));
+    desc->setValue(description);
+    return desc;
+}
+
+// Вспомогательная функция для создания дескриптора формата uint8
+BLEDescriptor* createPresentationFormatDescriptor() {
+    // Формат Presentation Format Descriptor (0x2904)
+    // Format: uint8 (0x04), Exponent: 0, Unit: unitless (0x2700), Namespace: Bluetooth SIG (1), Description: 0
+    uint8_t presentationFormat[7] = {
+        0x04,       // Format: uint8
+        0x00,       // Exponent
+        0x00, 0x27, // Unit (unitless) - обратите внимание на порядок байт: младший сначала
+        0x01,       // Namespace (Bluetooth SIG)
+        0x00, 0x00  // Description
+    };
+    BLEDescriptor* desc = new BLEDescriptor(BLEUUID((uint16_t)0x2904));
+    desc->setValue(presentationFormat, sizeof(presentationFormat));
+    return desc;
+}
+void LedControl::setupBLEService(BLEServer *server) {
+    BLEService *colorService = server->createService(COLOR_SERVICE_UUID);
+
+    // --- Красный ---
+    BLECharacteristic *rChar = colorService->createCharacteristic(
+        COLOR_CHAR_R_UUID,
+        BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE
+    );
+    rChar->setAccessPermissions(ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE);
+    rChar->setValue(currentR);
+    rChar->setCallbacks(new ColorCallbacks(this, 0));
+    // rChar->addDescriptor(createUserDescription("Red"));
+
+    // --- Зелёный ---
+    BLECharacteristic *gChar = colorService->createCharacteristic(
+        COLOR_CHAR_G_UUID,
+        BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE
+    );
+    gChar->setAccessPermissions(ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE);
+    gChar->setValue(currentG);
+    gChar->setCallbacks(new ColorCallbacks(this, 1));
+    // gChar->addDescriptor(createUserDescription("Green"));
+
+    // --- Синий ---
+    BLECharacteristic *bChar = colorService->createCharacteristic(
+        COLOR_CHAR_B_UUID,
+        BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE
+    );
+    bChar->setAccessPermissions(ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE);
+    bChar->setValue(currentB);
+    bChar->setCallbacks(new ColorCallbacks(this, 2));
+    // bChar->addDescriptor(createUserDescription("Blue"));
+
+    // --- Яркость ---
+    BLECharacteristic *brChar = colorService->createCharacteristic(
+        COLOR_CHAR_BRIGHTNESS_UUID,
+        BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE
+    );
+    brChar->setAccessPermissions(ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE);
+    brChar->setValue(currentBrightness);
+    brChar->setCallbacks(new ColorCallbacks(this, 3));
+    // brChar->addDescriptor(createUserDescription("Brightness"));
+
+    colorService->start();
+
+    BLEAdvertising *advertising = BLEDevice::getAdvertising();
+    advertising->addServiceUUID(COLOR_SERVICE_UUID);
+}
+
+
+void LedControl::loadSettings() {
+    preferences.begin(LED_NAMESPACE, true);
+    currentR = preferences.getUChar("r", 0);
+    currentG = preferences.getUChar("g", 0);
+    currentB = preferences.getUChar("b", 0);
+    currentBrightness = preferences.getUChar("br", 0);
+    preferences.end();
+}
+
+void LedControl::saveSettings() {
+    preferences.begin(LED_NAMESPACE, false);
+    preferences.putUChar("r", currentR);
+    preferences.putUChar("g", currentG);
+    preferences.putUChar("b", currentB);
+    preferences.putUChar("br", currentBrightness);
+    preferences.end();
+}
+
+void LedControl::applyColor() {
+    rgbLed.setPixelColor(0, rgbLed.Color(currentR, currentG, currentB));
+    rgbLed.setBrightness(correctedBrightness(currentBrightness));
+    rgbLed.show();
+}
+
+uint8_t LedControl::correctedBrightness(uint8_t percent) {
+    if (percent > 100) percent = 100;
+    const float gamma = 2.2f;
+    return pow(percent / 100.0f, gamma) * 255;
+}
+void LedControl::forceColor(uint8_t r, uint8_t g, uint8_t b)
+{
+    currentR = r;
+    currentG = g;
+    currentB = b;
+    rgbLed.setPixelColor(0, rgbLed.Color(r, g, b));
+    rgbLed.setBrightness(correctedBrightness(currentBrightness));
+    rgbLed.show();
+    saveSettings();  // если хочешь сразу сохранять
+}
diff --git a/mouse/LedControl.h b/mouse/LedControl.h
new file mode 100644
index 0000000..77f55f7
--- /dev/null
+++ b/mouse/LedControl.h
@@ -0,0 +1,81 @@
+#ifndef LED_CONTROL_H
+#define LED_CONTROL_H
+
+#include <Adafruit_NeoPixel.h>
+#include <Preferences.h>
+#include <BLECharacteristic.h>
+#include <BLEServer.h>
+#include <BLEDevice.h>
+#include <BleMouse.h>
+
+#define LED_NAMESPACE "led"
+#define COLOR_SERVICE_UUID        "12345678-1234-5678-1234-56789abcdef0"
+#define COLOR_CHAR_R_UUID         "12345678-1234-5678-1234-56789abcdef1"
+#define COLOR_CHAR_G_UUID         "12345678-1234-5678-1234-56789abcdef2"
+#define COLOR_CHAR_B_UUID         "12345678-1234-5678-1234-56789abcdef3"
+#define COLOR_CHAR_BRIGHTNESS_UUID "12345678-1234-5678-1234-56789abcdef4"
+
+class LedControl {
+public:
+  LedControl(Adafruit_NeoPixel &led)
+    : rgbLed(led) {}
+
+  void begin();
+  void setupBLEService(BLEServer *server);
+  void applyColor();
+  void forceColor(uint8_t r, uint8_t g, uint8_t b);
+
+private:
+  Adafruit_NeoPixel &rgbLed;
+  Preferences preferences;
+
+  int currentR = 0, currentG = 0, currentB = 0, currentBrightness = 50;
+  BLECharacteristic *colorCharacteristic = nullptr;
+
+  void loadSettings();
+  void saveSettings();
+  uint8_t correctedBrightness(uint8_t percent);
+
+class ColorCallbacks : public BLECharacteristicCallbacks {
+public:
+  ColorCallbacks(LedControl *parent, uint8_t paramId)
+    : _parent(parent), _paramId(paramId) {}
+
+  void onWrite(BLECharacteristic *characteristic) override {
+    String value = characteristic->getValue();
+    if (value.length() >= 1) {
+      uint8_t val = static_cast<uint8_t>(value[0]);
+      switch (_paramId) {
+        case 0: _parent->currentR = val; break;
+        case 1: _parent->currentG = val; break;
+        case 2: _parent->currentB = val; break;
+        case 3: _parent->currentBrightness = val; break;
+      }
+      characteristic->setValue(&val, 1);
+      _parent->applyColor();
+      _parent->saveSettings();
+
+      Serial.printf("Set param %d = %d\n", _paramId, val);
+    }
+  }
+
+  void onRead(BLECharacteristic *characteristic) override {
+    uint8_t val = 0;
+    switch (_paramId) {
+      case 0: val = _parent->currentR; break;
+      case 1: val = _parent->currentG; break;
+      case 2: val = _parent->currentB; break;
+      case 3: val = _parent->currentBrightness; break;
+    }
+    characteristic->setValue(&val, 1);  // Обновляем значение характеристики перед чтением
+
+    Serial.printf("Read param %d value: %d\n", _paramId, val);
+  }
+
+private:
+  LedControl *_parent;
+  uint8_t _paramId;
+};
+
+};
+#endif
diff --git a/mouse/mouse.ino b/mouse/mouse.ino
index 45318e7..e6fcd9e 100644
--- a/mouse/mouse.ino
+++ b/mouse/mouse.ino
@@ -1,13 +1,21 @@
 #include <BleMouse.h>
 #include "EspUsbHost.h"
+#include <LedControl.h>
 
+#define LED_PIN     21   // GPIO пин светодиода (скорее всего 48)
+#define NUM_LEDS     1   // Один RGB светодиод
 
 #define SHOW_REAL_BATTERY
-#define DISABLE_USB
-
+// #define RGB_LED
+// #define DISABLE_USB
 
 BleMouse bleMouse("Ball Mouse");
 
+#ifdef RGB_LED
+Adafruit_NeoPixel rgbLed(NUM_LEDS, LED_PIN, NEO_GRB + NEO_KHZ800);
+LedControl ledControl(rgbLed);
+#endif //RGB_LED
+
 #ifdef SHOW_REAL_BATTERY
   #define BATTERY_UPDATE_INTERVAL 5000  // например, 30000 мс = 30 секунд
   #define BATTERY_ADC_PIN 6
@@ -51,17 +59,44 @@ MyEspUsbHost usbHost;
 #endif //DISABLE_USB
 
 void setup() {
-  Serial.begin(115200);
-  delay(500);
-
+  // Serial.begin(115200);
+#ifdef RGB_LED
+  // Запуск мыши — зелёный
+  ledControl.begin();
+  ledControl.forceColor(0, 255, 0); // Зеленый
+#endif//RGB_LED
 
+#ifdef RGB_LED
+  // Инициализация BLE - красный
+  ledControl.forceColor(255, 0, 0); // Красный
+#endif//RGB_LED
+  // Запуск BLE мыши (HID)
+  bleMouse.init();
+  // Создаём BLE-сервер для подстветки
+  BLEServer *server = BLEDevice::createServer();
+#ifdef RGB_LED
+  // Настройка кастомного сервиса цвета
+  ledControl.setupBLEService(server);
+  // Добавляем UUID нашего сервиса в рекламу (важно до start)
+  BLEAdvertising *advertising = BLEDevice::getAdvertising();
+  advertising->addServiceUUID(COLOR_SERVICE_UUID);
+#endif//RGB_LED
+  // Запуск BLE мыши (HID)
   bleMouse.begin();
-  Serial.println("BLE Mouse started");
+  // BLE готов — красный
 
+#ifdef RGB_LED
+  // USB — синий
+  ledControl.forceColor(0, 0, 255);   // Синий
+#endif//RGB_LED
 #ifndef DISABLE_USB
   usbHost.begin();
-  Serial.println("USB Host started");
-#endif //DISABLE_USB
+#endif
+
+#ifdef RGB_LED
+  // Загрузка сохранённого цвета
+  ledControl.applyColor();
+#endif//RGB_LED
 }
 
 void loop() {
@@ -84,4 +119,4 @@ void loop() {
     }
   }
 #endif
-}
+}
\ No newline at end of file