diff --git a/ShimmerBluetoothManager/src/main/java/com/shimmerresearch/managers/bluetoothManager/ShimmerBluetoothManager.java b/ShimmerBluetoothManager/src/main/java/com/shimmerresearch/managers/bluetoothManager/ShimmerBluetoothManager.java
index 0aff1993..3d2fcb3a 100644
--- a/ShimmerBluetoothManager/src/main/java/com/shimmerresearch/managers/bluetoothManager/ShimmerBluetoothManager.java
+++ b/ShimmerBluetoothManager/src/main/java/com/shimmerresearch/managers/bluetoothManager/ShimmerBluetoothManager.java
@@ -38,6 +38,7 @@
 
 public abstract class ShimmerBluetoothManager{
 
+	protected boolean mVerbose = true;
 	protected boolean directConnectUnknownShimmer=false;
 	
 	/** Key is the COM port in PC and BT address for Android*/
@@ -289,6 +290,10 @@ else if (selectedShimmer instanceof Shimmer4sdk) {
 	}
 	
 
+	public void setVerbose(boolean verbose){
+		mVerbose = verbose;
+	}
+	
 	/** Use setFixedConfigWhenConnecting instead
 	 * 
 	 * @param device
@@ -474,6 +479,7 @@ protected void putShimmerBtConnectedMap(ShimmerDevice shimmerDevice){
 		String connectionHandle = shimmerDevice.getBtConnectionHandle();
 		ShimmerDevice existingShimmer = getShimmerDeviceBtConnected(connectionHandle);
 		if (existingShimmer==null){
+			shimmerDevice.mVerboseMode = this.mVerbose;
 			System.err.println("Putting Shimmer in BT connected map with connectionHandle:" + (connectionHandle.isEmpty()? "EMPTY":connectionHandle));
 			mMapOfBtConnectedShimmers.put(connectionHandle, shimmerDevice);
 		}
diff --git a/ShimmerDriverPC/src/main/java/com/shimmerresearch/tools/matlab/ShimmerJavaClass.java b/ShimmerDriverPC/src/main/java/com/shimmerresearch/tools/matlab/ShimmerJavaClass.java
index ad56ab32..721b169a 100644
--- a/ShimmerDriverPC/src/main/java/com/shimmerresearch/tools/matlab/ShimmerJavaClass.java
+++ b/ShimmerDriverPC/src/main/java/com/shimmerresearch/tools/matlab/ShimmerJavaClass.java
@@ -27,6 +27,8 @@
 import com.shimmerresearch.pcDriver.ShimmerPC;
 import com.shimmerresearch.tools.bluetooth.BasicShimmerBluetoothManagerPc;
 import com.shimmerresearch.algorithms.*;
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyChangeSupport;
 
 public class ShimmerJavaClass {
     private String comPort;
@@ -36,6 +38,15 @@ public class ShimmerJavaClass {
     private final ConcurrentHashMap<String, Queue<Object[]>> dataQueues = new ConcurrentHashMap<>();
     private List<float[]> collectedData = new ArrayList<>();
 
+    private PropertyChangeSupport pcs = new PropertyChangeSupport(this);
+
+    public void addPropertyChangeListener(PropertyChangeListener listener) {
+        pcs.addPropertyChangeListener(listener);
+    }
+
+    public void removePropertyChangeListener(PropertyChangeListener listener) {
+        pcs.removePropertyChangeListener(listener);
+    }
     
     private boolean mDebug = true;
     
@@ -53,6 +64,10 @@ public ShimmerJavaClass() {
         }
     }
     
+    public void setDebugMode(boolean debug) {
+		mDebug = debug;
+	}
+    
     public static void main(String[] args) {
         ShimmerJavaClass example = new ShimmerJavaClass();
         example.createAndShowGUI();
@@ -220,9 +235,14 @@ protected void processMsgFromCallback(ShimmerMsg shimmerMSG) {
 	                		System.out.println(channel);
 	                	}
                 	}
+                	System.out.println("Device State Change: CONNECTED");
+                    pcs.firePropertyChange("ConnectedState", null, new MatlabConnectionEvent("CONNECTED", callbackObject.mComPort));
+                    
                 } else if (callbackObject.mState == BT_STATE.DISCONNECTED || callbackObject.mState == BT_STATE.CONNECTION_LOST) {
                     System.out.println("Device State Change: " + callbackObject.mState);
                     System.out.flush();
+                    System.out.println("Device State Change: DISCONNECTED");
+                    pcs.firePropertyChange("ConnectedState", null, new MatlabConnectionEvent("DISCONNECTED", callbackObject.mComPort));
 
                 }
             } else if (ind == ShimmerPC.MSG_IDENTIFIER_NOTIFICATION_MESSAGE) {
@@ -251,4 +271,14 @@ protected void processMsgFromCallback(ShimmerMsg shimmerMSG) {
             }
         }
     }
-}
\ No newline at end of file
+    public class MatlabConnectionEvent {
+        public String state;
+        public String comPort;
+
+        public MatlabConnectionEvent(String state, String comPort) {
+            this.state = state;
+            this.comPort = comPort;
+        }
+    }
+
+}