diff --git a/espmusicmouse/host_driver/host_driver.py b/espmusicmouse/host_driver/host_driver.py
index dcf1740..d4c4c39 100644
--- a/espmusicmouse/host_driver/host_driver.py
+++ b/espmusicmouse/host_driver/host_driver.py
@@ -15,13 +15,6 @@ class MessageFwToHost(Enum):
     TOUCH_BUTTON_RELEASE = 3
 
 
-class MessageHostToFw(Enum):
-    LED_WHEEL_EFFECT_STATIC = 0
-    LED_WHEEL_EFFECT_ALEXA_SWIPE = 1
-    LED_WHEEL_EFFECT_CIRCULAR = 2
-    LED_WHEEL_EFFECT_RANDOM_TWO_COLOR_INTERPOLATION = 3
-
-
 class TouchButton(Enum):
     LEFT_FOOT = 0
     RIGHT_FOOT = 1
@@ -46,6 +39,9 @@ mouse_led_effect_to_message_id = {
     EffectReverseSwipe: 10,
 }
 
+PREV_BUTTON_LED_MSG = 20
+NEXT_BUTTON_LED_MSG = 21
+
 
 class RfidTokenRead:
     def __init__(self, id: bytes):
@@ -135,6 +131,16 @@ class MusicMouseProtocol(asyncio.Protocol):
                              mouse_led_effect_to_message_id[type(effect_cfg)], len(msg_content))
         self.transport.write(header + msg_content)
 
+    def button_background_led_prev(self, val):
+        msg_content = struct.pack("<f", val)
+        header = struct.pack("<IBH", MAGIC_TOKEN_HOST_TO_FW, PREV_BUTTON_LED_MSG, len(msg_content))
+        self.transport.write(header + msg_content)
+
+    def button_background_led_next(self, val):
+        msg_content = struct.pack("<f", val)
+        header = struct.pack("<IBH", MAGIC_TOKEN_HOST_TO_FW, NEXT_BUTTON_LED_MSG, len(msg_content))
+        self.transport.write(header + msg_content)
+
     def data_received(self, data):
         self.in_buff += data
         self._parse_message()
diff --git a/espmusicmouse/host_driver/main.py b/espmusicmouse/host_driver/main.py
index 7a6139a..11b5046 100644
--- a/espmusicmouse/host_driver/main.py
+++ b/espmusicmouse/host_driver/main.py
@@ -63,11 +63,18 @@ mouse_leds = {
 }
 
 
+def run_off_animation(protocol):
+    ring_eff = EffectReverseSwipe()
+    mouse_eff = EffectReverseSwipe()
+    mouse_eff.startPosition = 6 / 45 * 360
+    protocol.led_ring_effect(ring_eff)
+    protocol.mouse_led_effect(mouse_eff)
+    protocol.button_background_led_prev(0)
+    protocol.button_background_led_next(0)
+
+
 def on_music_end_callback(protocol):
-    eff = EffectAlexaSwipeConfig()
-    eff.forward = False
-    protocol.led_ring_effect(eff)
-    protocol.mouse_led_effect(EffectStaticConfig(ColorRGBW(0, 0, 0, 0)))
+    run_off_animation(protocol)
 
 
 def on_rfid(protocol, tagid):
@@ -76,16 +83,11 @@ def on_rfid(protocol, tagid):
     if tagid == bytes.fromhex("0000000000"):
         # Off
         if audio_player.is_playing():
-            ring_eff = EffectReverseSwipe()
-            mouse_eff = EffectReverseSwipe()
-            mouse_eff.startPosition = 6 / 45 * 360
-        else:
-            ring_eff = EffectStaticConfig(ColorRGBW(0, 0, 0, 0))
-            mouse_eff = EffectStaticConfig(ColorRGBW(0, 0, 0, 0))
-        protocol.led_ring_effect(ring_eff)
-        protocol.mouse_led_effect(mouse_eff)
-        audio_player.pause()
-
+            run_off_animation(protocol)
+            audio_player.pause()
+        #else:
+        #    protocol.led_ring_effect(EffectStaticConfig(ColorRGBW(0, 0, 0, 0)))
+        #    protocol.mouse_led_effect(EffectStaticConfig(ColorRGBW(0, 0, 0, 0)))
         last_figure = current_figure
     else:
         figure = rfid_token_map[tagid]
@@ -101,8 +103,12 @@ def on_rfid(protocol, tagid):
         mouse_eff = EffectStaticConfig(ccfg.background)
         mouse_eff = deepcopy(ring_eff)
         mouse_eff.swipe.start_position = 6 / 45 * 360
+        mouse_eff.swipe.bell_curve_width_in_leds = 16
         protocol.mouse_led_effect(mouse_eff)
 
+        protocol.button_background_led_prev(0.3)
+        protocol.button_background_led_next(0.3)
+
         if figure in playlists:
             audio_player.set_playlist(playlists[figure])
             if last_figure == current_figure:
diff --git a/espmusicmouse/src/Messages.h b/espmusicmouse/src/Messages.h
index 6987427..81ab186 100644
--- a/espmusicmouse/src/Messages.h
+++ b/espmusicmouse/src/Messages.h
@@ -108,6 +108,9 @@ enum class MessageHostToFw : uint8_t
   MOUSE_LED_EFFECT_RANDOM_TWO_COLOR_INTERPOLATION = 8,
   MOUSE_LED_EFFECT_SWIPE_AND_CHANGE = 9,
   MOUSE_LED_EFFECT_REVERSE_SWIPE = 10,
+
+  PREV_BUTTON_LED = 20,
+  NEXT_BUTTON_LED = 21,
 };
 
 template <>
@@ -155,7 +158,7 @@ void sendMessageToHost(const TMessage &msg)
 }
 
 template <typename LedTask1, typename LedTask2>
-inline void handleIncomingMessagesFromHost(LedTask1 *ledTaskCircle, LedTask2 *ledTaskMouse)
+inline void handleIncomingMessagesFromHost(LedTask1 *ledTaskCircle, LedTask2 *ledTaskMouse, uint8_t ledChannelLeft, uint8_t ledChannelRight)
 {
   if (Serial.available() < sizeof(MAGIC_TOKEN_FW_TO_HOST) + sizeof(MessageHostToFw) + sizeof(uint16_t))
     return;
@@ -235,6 +238,16 @@ inline void handleIncomingMessagesFromHost(LedTask1 *ledTaskCircle, LedTask2 *le
       auto cfg = reinterpret_cast<EffectReverseSwipeConfig *>(msgBuffer);
       ledTaskMouse->startEffect(*cfg);
     }
+    else if (msgType == MessageHostToFw::PREV_BUTTON_LED)
+    {
+      float *val = reinterpret_cast<float *>(msgBuffer);
+      ledcWrite(ledChannelLeft, uint32_t(255 * (*val)));
+    }
+    else if (msgType == MessageHostToFw::NEXT_BUTTON_LED)
+    {
+      float *val = reinterpret_cast<float *>(msgBuffer);
+      ledcWrite(ledChannelRight, uint32_t(255 * (*val)));
+    }
     else
       Serial.println("Unknown message type");
   }
diff --git a/espmusicmouse/src/main.cpp b/espmusicmouse/src/main.cpp
index b9b4ead..7312f51 100644
--- a/espmusicmouse/src/main.cpp
+++ b/espmusicmouse/src/main.cpp
@@ -74,6 +74,8 @@ constexpr int BUTTON_LEFT_PIN = 14;
 constexpr int ROTARY_PRESS_PIN = 13;
 constexpr int BUTTON_RIGHT_LED_PIN = 33;
 constexpr int BUTTON_LEFT_LED_PIN = 12;
+constexpr int PWM_FREQ = 5000;
+constexpr int PWM_RESOLUTION = 8;
 
 using ace_button::AceButton;
 AceButton buttonLeft(BUTTON_LEFT_PIN);
@@ -104,6 +106,12 @@ void setupButtons()
   buttonLeft.setEventHandler(handleButtonEvent);
   buttonRight.setEventHandler(handleButtonEvent);
   buttonRotary.setEventHandler(handleButtonEvent);
+
+  ledcSetup(0, PWM_FREQ, PWM_RESOLUTION);
+  ledcAttachPin(BUTTON_LEFT_LED_PIN, 0);
+
+  ledcSetup(1, PWM_FREQ, PWM_RESOLUTION);
+  ledcAttachPin(BUTTON_RIGHT_LED_PIN, 1);
 }
 
 void handleButtons()
@@ -201,7 +209,7 @@ void setup()
 
 void loop()
 {
-  handleIncomingMessagesFromHost(&ledTaskCircle, &ledTaskMouse);
+  handleIncomingMessagesFromHost(&ledTaskCircle, &ledTaskMouse, 0, 1);
   handleTouchInputs();
   handleRotaryEncoder();
   handleButtons();