AlarmBud lets you to run a timer in any place without the sound disturbing others. Connects to wired headphones, bluetooth, or your devices internal speakers. With AlarmBud, youll never have to worry about your device ringing out loud while napping or timing your work in a public place. The alarm will play even when your device is in Do Not Disturb mode. Make sure the volume is at a level that you will hear. Includes: - Up to 24-hour timer - Alarm sound library - White noise option - Background functionality - Dark, energy-saver display Great for the: - Library - Office - Airport - Plane - Bus - Gym