diff --git a/assets/beep.mp3 b/assets/beep.mp3
new file mode 100644
index 0000000..fdcaa16
Binary files /dev/null and b/assets/beep.mp3 differ
diff --git a/assets/cool_down.mp3 b/assets/cool_down.mp3
new file mode 100644
index 0000000..fc6504b
Binary files /dev/null and b/assets/cool_down.mp3 differ
diff --git a/assets/finish.mp3 b/assets/finish.mp3
new file mode 100644
index 0000000..de51d68
Binary files /dev/null and b/assets/finish.mp3 differ
diff --git a/assets/go.mp3 b/assets/go.mp3
new file mode 100644
index 0000000..ecaaa16
Binary files /dev/null and b/assets/go.mp3 differ
diff --git a/assets/warmUp.mp3 b/assets/warmUp.mp3
new file mode 100644
index 0000000..68aa61f
Binary files /dev/null and b/assets/warmUp.mp3 differ
diff --git a/assets/workout.mp3 b/assets/workout.mp3
new file mode 100644
index 0000000..db0cabd
Binary files /dev/null and b/assets/workout.mp3 differ
diff --git a/lib/pages/interval_page.dart b/lib/pages/interval_page.dart
new file mode 100644
index 0000000..a712243
--- /dev/null
+++ b/lib/pages/interval_page.dart
@@ -0,0 +1,186 @@
+import 'dart:async';
+import 'package:audioplayers/audioplayers.dart';
+import 'package:flutter/material.dart';
+
+class IntervalTimerPage extends StatefulWidget {
+  const IntervalTimerPage({Key? key}) : super(key: key);
+
+  @override
+  _IntervalTimerPageState createState() => _IntervalTimerPageState();
+}
+
+class _IntervalTimerPageState extends State<IntervalTimerPage> {
+  final Duration _warmupDuration = const Duration(minutes: 5);
+  final Duration _cooldownDuration = const Duration(minutes: 5);
+  final Duration _highIntensityDuration = const Duration(minutes: 4);
+  final Duration _lowIntensityDuration = const Duration(minutes: 3);
+  late Duration _totalDuration = const Duration(minutes: 35);
+  AudioPlayer warmUpPlayer = AudioPlayer();
+  AudioPlayer workoutPlayer = AudioPlayer();
+  AudioPlayer coolDownPlayer = AudioPlayer();
+  final int _numHighIntensityBlocks = 4;
+  final int _numLowIntensityBlocks = 3;
+
+  Timer? _timer;
+  int _currentBlock = 0;
+  Duration _currentDuration = const Duration();
+  bool _isPaused = true;
+
+  @override
+  void initState() {
+    _currentDuration = _warmupDuration;
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    _timer?.cancel();
+    super.dispose();
+  }
+
+  void _startTimer() {
+    _isPaused = false;
+    () async {
+      await AudioPlayer().play(UrlSource('assets/go.mp3'));
+    }();
+    _timer = Timer.periodic(const Duration(seconds: 1), (_) => _tick());
+    Future.delayed(const Duration(seconds: 1)).then((value) {
+      _playWarmUpMusic();
+    });
+  }
+
+  void _resetTimer() {
+    () async {
+      await coolDownPlayer.dispose();
+      await warmUpPlayer.dispose();
+      await workoutPlayer.dispose();
+    }();
+    _isPaused = true;
+    _timer?.cancel();
+    _currentBlock = 0;
+    _currentDuration = _warmupDuration;
+    _totalDuration = const Duration(minutes: 35);
+    setState(() {});
+  }
+
+  Future<void> _playWarmUpMusic() async {
+    await warmUpPlayer.setReleaseMode(ReleaseMode.loop);
+    await warmUpPlayer.play(UrlSource('assets/warmUp.mp3'));
+  }
+
+  Future<void> _playWorkoutMusic() async {
+    await warmUpPlayer.dispose();
+    Future.delayed(const Duration(microseconds: 600)).then((value) async {
+      await workoutPlayer.play(UrlSource('assets/workout.mp3'));
+    });
+  }
+
+  Future<void> _intervalChange() async {
+    await AudioPlayer().play(UrlSource('assets/beep.mp3'));
+  }
+
+  void _tick() {
+    setState(() {
+      _currentDuration = Duration(
+        seconds: _currentDuration.inSeconds - 1,
+      );
+      _totalDuration = Duration(
+        seconds: _totalDuration.inSeconds - 1,
+      );
+      if (_currentDuration.inSeconds < 1) {
+        if (_currentBlock < _numHighIntensityBlocks + _numLowIntensityBlocks) {
+          _intervalChange();
+          if (_currentBlock == 0) {
+            _playWorkoutMusic();
+          }
+          _currentBlock++;
+
+          if (_currentBlock % 2 == 1) {
+            _currentDuration = _highIntensityDuration;
+          } else {
+            _currentDuration = _lowIntensityDuration;
+          }
+        } else if (_currentBlock < _numHighIntensityBlocks * 2) {
+          _intervalChange();
+          _currentBlock++;
+          _currentDuration = _cooldownDuration;
+          () async {
+            await workoutPlayer.dispose();
+            await coolDownPlayer.play(UrlSource('assets/cool_down.mp3'));
+          }();
+        } else {
+          () async {
+            Future.delayed(const Duration(microseconds: 900))
+                .then((value) async {
+              await AudioPlayer().play(UrlSource('assets/finish.mp3'));
+            });
+          }();
+          _resetTimer();
+        }
+      }
+    });
+  }
+
+  String _formatDuration(Duration duration) {
+    String twoDigits(int n) => n.toString().padLeft(2, '0');
+    final minutes = twoDigits(duration.inMinutes.remainder(60));
+    final seconds = twoDigits(duration.inSeconds.remainder(60));
+    return '$minutes:$seconds';
+  }
+
+  String _formatTotalDuration(Duration duration) {
+    final minutes = duration.inMinutes;
+    final seconds = duration.inSeconds.remainder(60);
+    return _formatDuration(Duration(minutes: minutes, seconds: seconds));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        body: Center(
+            child: Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        Text(
+          _currentBlock == 0
+              ? 'Warm-up'
+              : _currentBlock % 2 == 1
+                  ? 'High Intensity'
+                  : _currentBlock < _numHighIntensityBlocks * 2
+                      ? 'Low Intensity'
+                      : 'Cool-down',
+          style: const TextStyle(fontSize: 32.0),
+        ),
+        const SizedBox(height: 16.0),
+        Text(
+          _formatDuration(_currentDuration),
+          style: const TextStyle(fontSize: 80.0),
+        ),
+        const SizedBox(height: 32.0),
+        Text(
+          'Total: ${_formatTotalDuration(_totalDuration)}',
+          style: const TextStyle(fontSize: 24.0),
+        ),
+        const SizedBox(height: 32.0),
+        Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            IconButton(
+              icon: Icon(
+                  _isPaused ? Icons.play_arrow_rounded : Icons.stop_rounded),
+              iconSize: 48.0,
+              onPressed: () {
+                if (_isPaused) {
+                  _startTimer();
+                } else {
+                  _resetTimer();
+                }
+              },
+            ),
+            // ),
+          ],
+        ),
+      ],
+    )));
+  }
+}
diff --git a/lib/pages/main_page.dart b/lib/pages/main_page.dart
index db4ff27..ca3c95d 100644
--- a/lib/pages/main_page.dart
+++ b/lib/pages/main_page.dart
@@ -3,7 +3,7 @@ import 'package:smoke_cess_app/pages/mood_page.dart';
 import 'package:smoke_cess_app/pages/relapse_page.dart';
 import 'package:smoke_cess_app/pages/scanner_page.dart';
 import 'package:smoke_cess_app/pages/sleep_page.dart';
-import 'package:smoke_cess_app/pages/timer_page.dart';
+import 'package:smoke_cess_app/pages/interval_page.dart';
 import 'package:smoke_cess_app/service/settings_service.dart';
 import 'package:smoke_cess_app/widgets/missing_config_popup.dart';
 
@@ -28,7 +28,7 @@ class MyHomePageState extends State<MyHomePage> {
   static const List<Widget> _widgetOptions = <Widget>[
     MoodPage(),
     SleepPage(),
-    StopWatchTimerPage(),
+    IntervalTimerPage(),
     RelapsePage(),
     ScannerPage(),
   ];
diff --git a/lib/pages/timer_page.dart b/lib/pages/timer_page.dart
deleted file mode 100644
index a2e6f49..0000000
--- a/lib/pages/timer_page.dart
+++ /dev/null
@@ -1,125 +0,0 @@
-import 'dart:async';
-import 'package:flutter/material.dart';
-import 'package:smoke_cess_app/service/settings_service.dart';
-import 'package:smoke_cess_app/widgets/timer_button.dart';
-
-class StopWatchTimerPage extends StatefulWidget {
-  const StopWatchTimerPage({super.key});
-
-  @override
-  StopWatchTimerPageState createState() => StopWatchTimerPageState();
-}
-
-class StopWatchTimerPageState extends State<StopWatchTimerPage> {
-  Duration duration = const Duration(minutes: 1);
-  Timer? timer;
-
-  bool countDown = true;
-
-  @override
-  void initState() {
-    super.initState();
-  }
-
-  void reset() {
-    setState(() => duration = const Duration());
-  }
-
-  void startTimer() {
-    timer = Timer.periodic(const Duration(seconds: 1), (_) => addTime());
-  }
-
-  void addTime() {
-    final addSeconds = countDown ? -1 : 1;
-    setState(() {
-      final seconds = duration.inSeconds + addSeconds;
-      if (seconds < 0) {
-        timer?.cancel();
-      } else {
-        duration = Duration(seconds: seconds);
-      }
-    });
-  }
-
-  void stopTimer({bool resets = true}) {
-    if (resets) {
-      reset();
-    }
-    setState(() => timer?.cancel());
-  }
-
-  @override
-  Widget build(BuildContext context) => Center(
-        child: Column(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            buildTime(),
-            const SizedBox(
-              height: 80,
-            ),
-            buildButtons()
-          ],
-        ),
-      );
-
-  Widget buildTime() {
-    String twoDigits(int n) => n.toString().padLeft(2, '0');
-    final minutes = twoDigits(duration.inMinutes.remainder(60));
-    final seconds = twoDigits(duration.inSeconds.remainder(60));
-    return Row(mainAxisAlignment: MainAxisAlignment.center, children: [
-      const SizedBox(
-        width: 8,
-      ),
-      buildTimeCard(time: minutes, header: 'MINUTEN'),
-      const SizedBox(
-        width: 8,
-      ),
-      buildTimeCard(time: seconds, header: 'SEKUNDEN'),
-    ]);
-  }
-
-  Widget buildTimeCard({required String time, required String header}) =>
-      Column(
-        mainAxisAlignment: MainAxisAlignment.center,
-        children: [
-          Container(
-            padding: const EdgeInsets.all(8),
-            decoration: BoxDecoration(
-                color: Colors.white, borderRadius: BorderRadius.circular(20)),
-            child: Text(
-              time,
-              style: const TextStyle(
-                  fontWeight: FontWeight.bold,
-                  color: Colors.black,
-                  fontSize: 50),
-            ),
-          ),
-          const SizedBox(
-            height: 24,
-          ),
-          Text(header, style: const TextStyle(color: Colors.black45)),
-        ],
-      );
-
-  Widget buildButtons() {
-    final isRunning = timer == null ? false : timer!.isActive;
-    final isCompleted = duration.inSeconds == 0;
-    return isRunning || isCompleted
-        ? TimerButton(
-            onClicked: stopTimer,
-            icon: const Icon(
-              Icons.stop,
-              size: 50,
-              color: Colors.white,
-            ),
-            color: Colors.red)
-        : TimerButton(
-            onClicked: startTimer,
-            icon: const Icon(
-              Icons.play_arrow,
-              size: 50,
-              color: Colors.white,
-            ),
-            color: Colors.green);
-  }
-}
diff --git a/pubspec.lock b/pubspec.lock
index 7dd2477..3ea0b44 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,63 +5,136 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
+      url: "https://pub.dev"
     source: hosted
-    version: "2.9.0"
+    version: "2.10.0"
+  audioplayers:
+    dependency: "direct main"
+    description:
+      name: audioplayers
+      sha256: "16451eab798b23ad9307aef6f9ca62bb8fb06542af8810eead0d236d3fd40a42"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  audioplayers_android:
+    dependency: transitive
+    description:
+      name: audioplayers_android
+      sha256: b2c833e6f718b6b030454e329931229afafe9327fdb002874dd544dc8bf2484d
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  audioplayers_darwin:
+    dependency: transitive
+    description:
+      name: audioplayers_darwin
+      sha256: e7a3c8759bf11ecfe4b20df338bf9f3d37c7719a5761c46a3833aba0ceeaacff
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  audioplayers_linux:
+    dependency: transitive
+    description:
+      name: audioplayers_linux
+      sha256: e95b65e1f4d4764601dac5e65f8d8186fc29401043ab020f1dacec483d708707
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  audioplayers_platform_interface:
+    dependency: transitive
+    description:
+      name: audioplayers_platform_interface
+      sha256: "178581a44cb685fd798d2108111d2e98cca3400e30b9c3a05546f124fb37f600"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.0"
+  audioplayers_web:
+    dependency: transitive
+    description:
+      name: audioplayers_web
+      sha256: "859ba09be2a57e57a787273f18c8cf0d9b61383870c5ee4b5632fe9adbc37edf"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  audioplayers_windows:
+    dependency: transitive
+    description:
+      name: audioplayers_windows
+      sha256: "622e01c4c357c2aaf1b956c3a0f89d97c3cb40315c03f16e3b6c2a31ff9c38bc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.3"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.dartlang.org"
+      sha256: e35129dc44c9118cee2a5603506d823bab99c68393879edb440e0090d07586be
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   ffi:
     dependency: transitive
     description:
       name: ffi
-      url: "https://pub.dartlang.org"
+      sha256: a38574032c5f1dd06c4aee541789906c12ccaab8ba01446e800d9c5b79c4a978
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
   file:
     dependency: transitive
     description:
       name: file
-      url: "https://pub.dartlang.org"
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
     source: hosted
     version: "6.1.4"
   flutter:
@@ -73,7 +146,8 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.dartlang.org"
+      sha256: aeb0b80a8b3709709c9cc496cdc027c5b3216796bc0af0ce1007eaf24464fd4c
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
   flutter_test:
@@ -86,144 +160,204 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "6aa2946395183537c8b880962d935877325d6a09a2867c3970c05c0fed6ac482"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.5"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.7"
   lints:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: c94db23593b89766cda57aab9ac311e3616cf87c6fa4e9749df032f66f30dcb8
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.12"
+    version: "0.12.14"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.5"
+    version: "0.2.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "12307e7f0605ce3da64cf0db90e5fcab0869f3ca03f76be6bb2991ce0a55e82b"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.0"
   mobile_scanner:
     dependency: "direct main"
     description:
       name: mobile_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "4045e8441e21f1fb8998a76fbffd054510dd3a3b1dee55c7c9a2083eee687345"
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.3"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      sha256: dcea5feb97d8abf90cab9e9030b497fb7c3cbf26b7a1fe9e3ef7dcb0a1ddec95
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.12"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: a776c088d671b27f6e3aa8881d64b87b3e80201c64e8869b811325de7a76c15e
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.22"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "62a68e7e1c6c459f9289859e2fae58290c981ce21d1697faf54910fe1faa4c74"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
-      url: "https://pub.dartlang.org"
+      sha256: "2e32f1640f07caef0d3cb993680f181c79e54a3827b997d5ee221490d131fbd9"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: f0abc8ebd7253741f05488b4813d936b4d07c6bae3e86148a09e342ee4b08e76
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.5"
   path_provider_windows:
     dependency: transitive
     description:
       name: path_provider_windows
-      url: "https://pub.dartlang.org"
+      sha256: bcabbe399d4042b8ee687e17548d5d3f527255253b4a639f5f8d2094a9c2b45c
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   platform:
     dependency: transitive
     description:
       name: platform
-      url: "https://pub.dartlang.org"
+      sha256: "4a451831508d7d6ca779f7ac6e212b4023dd5a7d08a27a63da33756410e32b76"
+      url: "https://pub.dev"
     source: hosted
     version: "3.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: dbf0f707c78beedc9200146ad3cb0ab4d5da13c246336987be6940f026500d3a
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   process:
     dependency: transitive
     description:
       name: process
-      url: "https://pub.dartlang.org"
+      sha256: "53fd8db9cec1d37b0574e12f07520d582019cb6c44abf5479a01505099a34a09"
+      url: "https://pub.dev"
     source: hosted
     version: "4.2.4"
   shared_preferences:
     dependency: "direct main"
     description:
       name: shared_preferences
-      url: "https://pub.dartlang.org"
+      sha256: "5949029e70abe87f75cfe59d17bf5c397619c4b74a099b10116baeb34786fad9"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.17"
   shared_preferences_android:
     dependency: transitive
     description:
       name: shared_preferences_android
-      url: "https://pub.dartlang.org"
+      sha256: "955e9736a12ba776bdd261cf030232b30eadfcd9c79b32a3250dd4a494e8c8f7"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.15"
   shared_preferences_foundation:
     dependency: transitive
     description:
       name: shared_preferences_foundation
-      url: "https://pub.dartlang.org"
+      sha256: "2b55c18636a4edc529fa5cd44c03d3f3100c00513f518c5127c951978efcccd0"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   shared_preferences_linux:
     dependency: transitive
     description:
       name: shared_preferences_linux
-      url: "https://pub.dartlang.org"
+      sha256: f8ea038aa6da37090093974ebdcf4397010605fd2ff65c37a66f9d28394cb874
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
       name: shared_preferences_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: da9431745ede5ece47bc26d5d73a9d3c6936ef6945c101a5aca46f62e52c1cf3
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
   shared_preferences_web:
     dependency: transitive
     description:
       name: shared_preferences_web
-      url: "https://pub.dartlang.org"
+      sha256: a4b5bc37fe1b368bbc81f953197d55e12f49d0296e7e412dfe2d2d77d6929958
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.4"
   shared_preferences_windows:
     dependency: transitive
     description:
       name: shared_preferences_windows
-      url: "https://pub.dartlang.org"
+      sha256: "5eaf05ae77658d3521d0e993ede1af962d4b326cd2153d312df716dc250f00c9"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   sky_engine:
@@ -235,65 +369,90 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: "6182294da5abf431177fccc1ee02401f6df30f766bc6130a0852c6b6d7ee6b2d"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.12"
+    version: "0.4.18"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: "26f87ade979c47a150c9eaab93ccd2bebe70a27dc0b4b29517f2904f04eb11a5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      sha256: "648e103079f7c64a36dc7d39369cabb358d377078a051d6ae2ad3aa539519313"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.7"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   win32:
     dependency: transitive
     description:
       name: win32
-      url: "https://pub.dartlang.org"
+      sha256: c9ebe7ee4ab0c2194e65d3a07d8c54c5d00bb001b76081c4a04cdb8448b59e46
+      url: "https://pub.dev"
     source: hosted
     version: "3.1.3"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
-      url: "https://pub.dartlang.org"
+      sha256: ee1505df1426458f7f60aac270645098d318a8b4766d85fde75f76f2e21807d1
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
 sdks:
-  dart: ">=2.18.2 <3.0.0"
+  dart: ">=2.19.0 <4.0.0"
   flutter: ">=3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 92964f0..3f78ee1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -3,7 +3,7 @@ description: A new Flutter project.
 
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
-publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+publish_to: "none" # Remove this line if you wish to publish to pub.dev
 
 # The following defines the version and build number for your application.
 # A version number is three numbers separated by dots, like 1.2.43
@@ -20,7 +20,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.18.2 <3.0.0'
+  sdk: ">=2.18.2 <3.0.0"
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions
@@ -36,8 +36,10 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
   shared_preferences: ^2.0.17
+  audioplayers: ^3.0.1
   mobile_scanner: ^3.0.0
 
+
 dev_dependencies:
   flutter_test:
     sdk: flutter
@@ -60,12 +62,17 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
   assets:
+    - beep.mp3
+    - go.mp3
+    - workout.mp3
+    - warmUp.mp3
+    - cool_down.mp3
+    - finish.mp3
     - group1.json
     - group3.json
+  #   - images/a_dot_burr.jpeg
+  #   - images/a_dot_ham.jpeg
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware