diff --git a/Lib.Audio/Controllable.cs b/Lib.Audio/Controllable.cs
index 83a9f62..3426504 100644
--- a/Lib.Audio/Controllable.cs
+++ b/Lib.Audio/Controllable.cs
@@ -2,16 +2,19 @@
 // Created: 2021-04-07
 // Copyright(c) 2021 SimonG. All Rights Reserved.
 
-using System;
 using Lib.Audio.Interfaces;
+using NAudio.CoreAudioApi;
 
 namespace Lib.Audio
 {
     public class Controllable : IControllable
     {
-        public void SetVolume(int volume)
-        {
-            throw new NotImplementedException();
-        }
+        private readonly AudioSessionControl _audioSessionControl;
+
+        public Controllable(AudioSessionControl audioSessionControl) => _audioSessionControl = audioSessionControl;
+
+        public void SetVolume(float volume) => _audioSessionControl.SimpleAudioVolume.Volume = volume;
+        public void Mute() => _audioSessionControl.SimpleAudioVolume.Mute = true;
+        public void UnMute() => _audioSessionControl.SimpleAudioVolume.Mute = false;
     }
 }
\ No newline at end of file
diff --git a/Lib.Audio/Interfaces/IControllable.cs b/Lib.Audio/Interfaces/IControllable.cs
index 13e6b2c..1362f97 100644
--- a/Lib.Audio/Interfaces/IControllable.cs
+++ b/Lib.Audio/Interfaces/IControllable.cs
@@ -6,6 +6,8 @@ namespace Lib.Audio.Interfaces
 {
     public interface IControllable
     {
-        void SetVolume(int volume);
+        void SetVolume(float volume);
+        void Mute();
+        void UnMute();
     }
 }
\ No newline at end of file