Interval Timer 40 seconds / 20 seconds rest

40 second countdowns with 20 second rests in between

[@butterflyrawan.9462]

This is super smart, and I'll be using it for my exercises

[@andreagiordano5056]

This is my first video guys, hope you like it :)

[@RealGaIaxy]

Very useful thanks

[@KBM20111112]

Thank you

[@김성률-k5m]

ㅓㅋㄹㅁㅎ묘먐뱌1ㅕ 나 이제 곧 출발 전에

[@nicolamolitierno1126]

Ciao ti amo sei il mio love

[@xpino5972]

Nice

[@iziahparris]

i’m ugly and chubby

[@andreagiordano5056]

Ok