Interval timer - 45 sec rounds / 15 sec rests (including links to 14 workout routines)

Workout Timer Without Music - HIIT 45 sec Work / 15 sec Rest | 72

45s Work / 15s Rest Interval Timer | YanaFit

41 seconds timer ⌛ (forty one second timer)

41 Seconds countdown Timer - Beep at the end | Simple Timer (forty-one sec)

41-Second Timer with Beep | Countdown with Alarm at Zero | 41s Timer

45 SECONDS TIMER

45 Second Timer Countdown with Music HH

45 Seconds Timer