diff --git a/packages/core/useWebSocket/index.md b/packages/core/useWebSocket/index.md
index 68489eff6ae..4fa9c1b9c11 100644
--- a/packages/core/useWebSocket/index.md
+++ b/packages/core/useWebSocket/index.md
@@ -76,6 +76,107 @@ const { status, data, close } = useWebSocket('ws://websocketurl', {
 })
 ```
 
+<!--FOOTER_STARTS-->
+## Type Declarations
+
+```typescript
+export declare type WebSocketStatus = "OPEN" | "CONNECTING" | "CLOSED"
+export interface WebSocketOptions {
+  onConnected?: (ws: WebSocket) => void
+  onDisconnected?: (ws: WebSocket, event: CloseEvent) => void
+  onError?: (ws: WebSocket, event: Event) => void
+  onMessage?: (ws: WebSocket, event: MessageEvent) => void
+  /**
+   * Send heartbeat for every x mileseconds passed
+   *
+   * @default false
+   */
+  heartbeat?:
+    | boolean
+    | {
+        /**
+         * Message for the heartbeat
+         *
+         * @default 'ping'
+         */
+        message?: string | ArrayBuffer | Blob
+        /**
+         * Interval, in mileseconds
+         *
+         * @default 1000
+         */
+        interval?: number
+      }
+  /**
+   * Enabled auto reconnect
+   *
+   * @default false
+   */
+  autoReconnect?:
+    | boolean
+    | {
+        /**
+         * Maximum retry times.
+         *
+         * @default -1
+         */
+        retries?: number
+        /**
+         * Delay for reconnect, in mileseconds
+         *
+         * @default 1000
+         */
+        delay?: number
+        /**
+         * On maximum retry times reached.
+         */
+        onFailed?: Fn
+      }
+}
+export interface WebSocketResult<T> {
+  /**
+   * Reference to the latest data received via the websocket,
+   * can be watched to respond to incoming messages
+   */
+  data: Ref<T | null>
+  /**
+   * The current websocket status, can be only one of:
+   * 'OPEN', 'CONNECTING', 'CLOSED'
+   */
+  status: Ref<WebSocketStatus>
+  /**
+   * Closes the websocket connection gracefully.
+   */
+  close: WebSocket["close"]
+  /**
+   * Reopen the websocket connection.
+   * If there the current one is active, will close it before opening a new one.
+   */
+  open: Fn
+  /**
+   * Sends data through the websocket connection.
+   *
+   * @param data
+   * @param useBuffer when the socket is not yet open, store the data into the buffer and sent them one connected. Default to true.
+   */
+  send: (data: string | ArrayBuffer | Blob, useBuffer?: boolean) => boolean
+  /**
+   * Reference to the WebSocket instance.
+   */
+  ws: Ref<WebSocket | undefined>
+}
+/**
+ * Reactive WebSocket client.
+ *
+ * @see   {@link https://vueuse.org/useWebSocket}
+ * @param url
+ */
+export declare function useWebSocket<Data = any>(
+  url: string,
+  options?: WebSocketOptions
+): WebSocketResult<Data>
+```
+
 ### Sub-protocols
 
 List of one or more subprotocols to use, in this case soap and wamp.
diff --git a/packages/core/useWebSocket/index.ts b/packages/core/useWebSocket/index.ts
index bd689dc561d..42c6ee781ba 100644
--- a/packages/core/useWebSocket/index.ts
+++ b/packages/core/useWebSocket/index.ts
@@ -25,7 +25,7 @@ export interface UseWebSocketOptions {
      *
      * @default 'ping'
      */
-    message?: string
+    message?: string | ArrayBuffer | Blob
 
     /**
      * Interval, in milliseconds