This 40-second interval timer with a 10 seconds rest interval is simply beautiful.

With a three-second countdown to start each 40-second interval has a double beep at 20 seconds in to signal the half way point and a three second sound out of each work interval.

The 40 second work periods have a pink background and the short 10-second rest interval has a black background.

#40secondtimer #workouttimer

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