diff --git a/types/index.d.ts b/types/index.d.ts
index 60b6c26..1718a16 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -45,7 +45,9 @@ interface Connection {
      *     Connection.CELL
      *     Connection.NONE
      */
-    type: string;
+    type: ConnectionType;
+    dispatchEvent(): boolean;
+
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, useCapture?: boolean): void;
     removeEventListener(type: string, listener: EventListenerOrEventListenerObject, useCapture?: boolean): void;
 }
@@ -59,4 +61,4 @@ declare var Connection: {
     CELL_4G: string;
     CELL: string;
     NONE: string;
-}
\ No newline at end of file
+}