Dop - time reminder

This APP is an application about timer reminders.

Its function is to meet the needs of some timers of the majority of users. Specifically, this APP timer can remind you of three time periods.

When users open APP, they need to set the time points that need to be reminded, such as 5 minutes, 10 minutes, 36 minutes. When the timer reaches these three time points, it will play sound to remind users.