Foxtage Pomodoro 25, 5 Minute Adjustable Productivity Timer

The product description mentions circulation mode. is that when it cycles between t1 and t2 automatically? how do i set that up?

How can I turn it off without pulling out the battery?

Will it show the total number of Pomodoros completed?

My timer makes no sound when the time is over, it only flashes regardless of ghe setting (high/low/flashlight). Is it broken or am I missing a set up