So what's the point? You can leave your iPhone next to someone's keyboard, and just leave the room, and then later recover what they did, even without using the microphone.
那重点在那呢？ 你可以把你的iPhone放在 某人的键盘旁边，然后就离开房间， 之后再回来复原他们所做过的事， 就连麦克风都不需要。