1. In the main interface of WeChat chat that opens, click the "I" tab in the lower right corner.

2. Click the "Settings" menu item in the pop-up WeChat my page.

3. Next, open the settings page of WeChat, and click the "New Message Reminder" menu item on the page.

4. At this time, click the switch behind "Voice" and set it to ON state.

5. Click on the shortcut link in the new message prompt menu item that pops up below.

6. Next, a page with a new message prompt will pop up. Just select a voice in the page.