Super QQ SMS reminder is a friend online reminder or a friend message reminder.

SMS reminder is an online reminder, that is, someone is online. Whoever sends you a super QQ message on QQ will receive it immediately.

Now you can invite QQ friends to try it.

I have been answering all day. If I don't get it within two hours, the emergency will be over.

Official website is well set:

You can set the receiving time and frequency of short messages for friends' online notification, QQ money consumption reminder and QQ password modification reminder.

By the way, after he sent you one, you didn't reply, so he couldn't continue to send it.