Added support for mouse and headset devices. This *should* work out of the box but needs to be tested.

Devices/Generic/AbstractCueDevice.cs

@@ -40,7 +40,10 @@ namespace CUE.NET.Devices.Generic
         /// </summary>
         public float UpdateFrequency { get; set; } = 1f / 30f;
 
-        private Dictionary<int, CorsairLed> Leds { get; } = new Dictionary<int, CorsairLed>();
+        /// <summary>
+        /// Gets a dictionary containing all LEDs of the device.
+        /// </summary>
+        protected Dictionary<int, CorsairLed> Leds { get; } = new Dictionary<int, CorsairLed>();
 
         /// <summary>
         /// Indicates if the device has an active effect to deal with.

Devices/Headset/CorsairHeadset.cs

@@ -1,29 +1,70 @@
-using CUE.NET.Devices.Generic;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using CUE.NET.Devices.Generic;
+using CUE.NET.Devices.Headset.Enums;
 
 namespace CUE.NET.Devices.Headset
 {
-    //TODO DarthAffe 20.09.2015: Find someone to test this
+    public class CorsairHeadset : AbstractCueDevice, IEnumerable<CorsairLed>
-    /// <summary>
-    /// Stub for planned headset-support.
-    /// </summary>
-    public class CorsairHeadset : AbstractCueDevice
     {
         #region Properties & Fields
 
+        #region Indexer
+
+        public CorsairLed this[CorsairHeadsetLedId ledId]
+        {
+            get
+            {
+                CorsairLed led;
+                return base.Leds.TryGetValue((int)ledId, out led) ? led : null;
+            }
+        }
+
+        #endregion
+
+        public CorsairHeadsetDeviceInfo HeadsetDeviceInfo { get; }
+
         protected override bool HasEffect => false;
 
+        public new IEnumerable<CorsairLed> Leds => new ReadOnlyCollection<CorsairLed>(base.Leds.Values.ToList());
+
         #endregion
 
         #region Constructors
 
         internal CorsairHeadset(CorsairHeadsetDeviceInfo info)
             : base(info)
-        { }
+        {
+            this.HeadsetDeviceInfo = info;
+            InitializeLeds();
+        }
 
         #endregion
 
         #region Methods
 
+        private void InitializeLeds()
+        {
+            GetLed((int)CorsairHeadsetLedId.LeftLogo);
+            GetLed((int)CorsairHeadsetLedId.RightLogo);
+        }
+
+        #region IEnumerable
+
+        public IEnumerator<CorsairLed> GetEnumerator()
+        {
+            return Leds.GetEnumerator();
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+
+        #endregion
+
         #endregion
     }
 }

Devices/Mouse/CorsairMouse.cs

@@ -1,19 +1,40 @@
-using CUE.NET.Devices.Generic;
+// ReSharper disable MemberCanBePrivate.Global
+// ReSharper disable UnusedAutoPropertyAccessor.Global
+// ReSharper disable UnusedMember.Global
+
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using CUE.NET.Devices.Generic;
+using CUE.NET.Devices.Mouse.Enums;
+using CUE.NET.Exceptions;
 
 namespace CUE.NET.Devices.Mouse
 {
-    //TODO DarthAffe 20.09.2015: Find someone to test this
+    public class CorsairMouse : AbstractCueDevice, IEnumerable<CorsairLed>
-    /// <summary>
-    /// Stub for planned headset-support.
-    /// </summary>
-    public class CorsairMouse : AbstractCueDevice
     {
         #region Properties & Fields
 
+        #region Indexer
+
+        public CorsairLed this[CorsairMouseLedId ledId]
+        {
+            get
+            {
+                CorsairLed led;
+                return base.Leds.TryGetValue((int)ledId, out led) ? led : null;
+            }
+        }
+
+        #endregion
+
         public CorsairMouseDeviceInfo MouseDeviceInfo { get; }
 
         protected override bool HasEffect => false;
 
+        public new IEnumerable<CorsairLed> Leds => new ReadOnlyCollection<CorsairLed>(base.Leds.Values.ToList());
+
         #endregion
 
         #region Constructors
@@ -22,12 +43,55 @@ namespace CUE.NET.Devices.Mouse
             : base(info)
         {
             this.MouseDeviceInfo = info;
+
+            InitializeLeds();
         }
 
         #endregion
 
         #region Methods
 
+        private void InitializeLeds()
+        {
+            switch (MouseDeviceInfo.PhysicalLayout)
+            {
+                case CorsairPhysicalMouseLayout.Zones1:
+                    GetLed((int)CorsairMouseLedId.B1);
+                    break;
+                case CorsairPhysicalMouseLayout.Zones2:
+                    GetLed((int)CorsairMouseLedId.B1);
+                    GetLed((int)CorsairMouseLedId.B2);
+                    break;
+                case CorsairPhysicalMouseLayout.Zones3:
+                    GetLed((int)CorsairMouseLedId.B1);
+                    GetLed((int)CorsairMouseLedId.B2);
+                    GetLed((int)CorsairMouseLedId.B3);
+                    break;
+                case CorsairPhysicalMouseLayout.Zones4:
+                    GetLed((int)CorsairMouseLedId.B1);
+                    GetLed((int)CorsairMouseLedId.B2);
+                    GetLed((int)CorsairMouseLedId.B3);
+                    GetLed((int)CorsairMouseLedId.B4);
+                    break;
+                default:
+                    throw new WrapperException($"Can't initial mouse with layout '{MouseDeviceInfo.PhysicalLayout}'");
+            }
+        }
+
+        #region IEnumerable
+
+        public IEnumerator<CorsairLed> GetEnumerator()
+        {
+            return Leds.GetEnumerator();
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+
+        #endregion
+
         #endregion
     }
 }