5 MINUTE - 4K - COUNTDOWN IN REVERSE - 300 SECOND TIMER -

This is a 300-second timer with a special sound during the last 3 seconds.

#timer #300seconds #5minute

[PracticalTimer]

Hi, thanks for being here. The first 60 videos are Timer backwards up to 60. Then I do a lot of Pomodoro timers - if u need a special one, write me below in the comments and i can customize it for u.