Place it at the opening of a mail or message scene, just before the reply is shown, then follow it with a Bell Ding to mark the arrival, and keep a Vine Boom for the twist when the message brings bad news.
關於此聲音
A short spoken alert, just over a second long, that announces 'You got mail!' in a clear, upbeat voice. It feels bright and welcoming, turning an ordinary inbox check into a small moment of excitement, as if good news has just arrived.