LiveWatch-clock for Live- vs SmartClockBoard Utilisation & Stats

[I wanted such a stopwatch! is new] - Only one button is used for operation! The stopwatch starts when you press it once, stops when you press it again, and resets when you press it again. [Other convenient functions] ・We will notify you by button operation and vibration every minute. (ON/OFF setting possible) ・Notification sounds every 60 seconds. (When canceling manner mode)