You can quickly set the alarm before nap. Feature can be easily used because very simple. In addition, you can also use with the earphones or headphones. ＜ Function ＞. Alarm set. Unlike ordinary alarm clock app, you can set the time the alarm sounds from the current time. If you set at 7: 00 pm "1 h 30 min", it will sound an alarm to 8: 30 pm. Alarm Music.