It is a simple sound clock to read the time with the following timing.
• When the application start-up is complete
• When you tap anywhere on the screen other than the menu bar
- When returning from a sleep state (when the power button is pressed twice)
• When you press the play button and stop button on the Bluetooth device
- selected every appointed time (default every 10 minutes. None, 1 minute, 3 minutes, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 7 kinds of 1 hour)

If you are partially sighted or blind visually impaired, exercise and such as photography, for those who need time confirmation of working.

* It has released a version with a resident functions. 2018/01
https://play.google.com/store/apps/details?id=clark_and_company.talkclock_restart