diff --git a/lib/src/bluetooth_characteristic.dart b/lib/src/bluetooth_characteristic.dart
index 9ed197a1..0d1d4574 100644
--- a/lib/src/bluetooth_characteristic.dart
+++ b/lib/src/bluetooth_characteristic.dart
@@ -21,6 +21,8 @@ class BluetoothCharacteristic {
     }
   }
 
+  Stream<List<int>> get onValueChangedStream => _onValueChangedStream;
+
   BehaviorSubject<List<int>> _value;
   Stream<List<int>> get value => Rx.merge([
         _value.stream,