diff --git a/src/beep.rs b/src/beep.rs
index 0e87338..dd2771b 100644
--- a/src/beep.rs
+++ b/src/beep.rs
@@ -11,6 +11,8 @@ type LedcChannel<P, T, C> = Channel<C, T, Timer<T>, P>;
 pub struct Beep<P: OutputPin, T: ledc::HwTimer, C: ledc::HwChannel> {
     state: bool,
     stopped: bool,
+    beat: u8,
+    ringtone: ringtone::Type,
     channel: LedcChannel<P, T, C>,
 }
 
@@ -20,6 +22,8 @@ impl<P: OutputPin, T: ledc::HwTimer, C: ledc::HwChannel> Beep<P, T, C> {
             state: false,
             stopped: false,
             channel: Self::init_channel(pin, timer, channel)?,
+            beat: 0,
+            ringtone: ringtone::SILENCE,
         });
     }
 
@@ -41,16 +45,40 @@ impl<P: OutputPin, T: ledc::HwTimer, C: ledc::HwChannel> Beep<P, T, C> {
         }
     }
 
-    pub fn play(&mut self) {
+    pub fn play(&mut self, rx: &mut std::sync::mpsc::Receiver<ringtone::Type>) {
         loop {
-            if self.stopped {
-                break;
+            let curr_ringtone = rx.try_recv().unwrap_or_else(|_| self.ringtone);
+            if !curr_ringtone.eq(&mut self.ringtone) {
+                self.beat = 0;
+                self.ringtone = curr_ringtone;
             }
-            self.toggle().unwrap();
-            thread::sleep(Duration::from_millis(500));
 
-            self.toggle().unwrap();
-            thread::sleep(Duration::from_millis(1500));
+            let curr = curr_ringtone[self.beat as usize];
+            if curr {
+                self.channel.set_duty(50).expect("Failed to set duty");
+            } else {
+                self.channel.set_duty(0).expect("Failed to set duty");
+            }
+            thread::sleep(Duration::from_millis(100));
+
+            self.beat += 1;
+            if self.beat == 16 {
+                self.beat = 0;
+            }
         }
     }
 }
+pub mod ringtone {
+
+    pub type Type = [bool; 16];
+
+    pub const POWER_DOWN: Type = [
+        true, true, true, true, false, false, false, false, false, false, false, false, false,
+        false, false, false,
+    ];
+    pub const BATTERY_LOW: Type = [
+        true, true, false, false, true, true, false, false, true, true, false, false, true, true,
+        false, false,
+    ];
+    pub const SILENCE: Type = [false; 16];
+}
diff --git a/src/main.rs b/src/main.rs
index d2a74fd..e0aa80b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,5 @@
 use esp_idf_sys as _;
-use std::{thread, time::Duration};
+use std::{thread, time::Duration, sync::mpsc};
 
 mod beep;
 mod blink;
@@ -26,6 +26,8 @@ fn main() {
     let adapter_pin = peripherals.pins.gpio1;
     let battery_pin = peripherals.pins.gpio2;
 
+    let (tx, mut rx) = mpsc::channel();
+
     println!("Starting screen");
     let display = screen::Screen::new(i2c0, gpio9, gpio10).expect("Failed to create screen");
 
@@ -46,10 +48,10 @@ fn main() {
             ledc_channel0,
         )
         .expect("Failed to create beep");
-        beep.play();
+        beep.play(&mut rx);
     });
 
-    let mut dc_out_ctl = dc_out_controller::DcOutController::new(
+    let dc_out_ctl = dc_out_controller::DcOutController::new(
         dc_out_ctl_pin
             .into_output()
             .expect("Failed to set GPIO3 as output"),
@@ -60,6 +62,7 @@ fn main() {
         adc1,
         adapter_pin.into_analog_atten_11db().expect("Failed to set GPIO1 as analog input"),
         battery_pin.into_analog_atten_11db().expect("Failed to set GPIO2 as analog input"),
+        tx,
     ).expect("Failed to create manager");
     loop {
         manager.handling_once().expect("Failed to handle once");
diff --git a/src/manager.rs b/src/manager.rs
index efc824c..14547fb 100644
--- a/src/manager.rs
+++ b/src/manager.rs
@@ -1,14 +1,14 @@
-use std::{thread, time::Duration};
+use std::{sync::mpsc, thread, time::Duration};
 
 use embedded_hal::digital::blocking::OutputPin;
-use embedded_hal_0_2::{adc::OneShot, digital::v2::InputPin};
+use embedded_hal_0_2::adc::OneShot;
 use esp_idf_hal::{
-    adc::{Adc, Atten11dB, PoweredAdc, ADC1},
-    gpio::{Gpio1, Gpio2}, delay,
+    adc::{Atten11dB, PoweredAdc, ADC1},
+    gpio::{Gpio1, Gpio2},
 };
 use esp_idf_sys::EspError;
 
-use crate::{dc_out_controller::DcOutController, screen::Screen};
+use crate::{beep::ringtone, dc_out_controller::DcOutController, screen::Screen};
 
 type AdapterGpio = Gpio1<Atten11dB<ADC1>>;
 type BatteryGpio = Gpio2<Atten11dB<ADC1>>;
@@ -22,6 +22,7 @@ where
     adc: PoweredAdc<ADC1>,
     adapter_pin: AdapterGpio,
     battery_pin: BatteryGpio,
+    tx: mpsc::Sender<ringtone::Type>,
 }
 
 impl<C> Manager<C>
@@ -34,6 +35,7 @@ where
         adc1: ADC1,
         adapter_pin: AdapterGpio,
         battery_pin: BatteryGpio,
+        tx: mpsc::Sender<ringtone::Type>,
     ) -> Result<Self, EspError> {
         let adc = PoweredAdc::new(
             adc1,
@@ -45,6 +47,7 @@ where
             adc,
             adapter_pin,
             battery_pin,
+            tx,
         });
     }
 
@@ -69,7 +72,19 @@ where
 
         if adapter < 1000.0 {
             self.dc_out_controller.off().expect("Can not turn off Out");
+            if battery < 1000.0 {
+                self.tx
+                    .send(ringtone::BATTERY_LOW)
+                    .expect("Can not send message");
+            } else {
+                self.tx
+                    .send(ringtone::POWER_DOWN)
+                    .expect("Can not send message");
+            }
         } else {
+            self.tx
+                .send(ringtone::SILENCE)
+                .expect("Can not send message");
             self.dc_out_controller.on().expect("Can not turn on Out");
         }
         self.screen