Simple counter & stopwatch/timer. Tally counter and stopwatch/timer combined.For work, study, fitness training.Simple operation.Stopwatch / TimerTap => Start/Stop, Long press => ResetCounter areaTap => Start/Stop, Long press => ResetTap Trash icon => Reset stopwatch/timer & counterTimer modeTap pencil icon => Set timerSettingChange background clolor, display control buttons, etcEnjoy!