Easy-to-use Talking Countdown Timer. For sport, exercise, playing a game, study, etc. Find out your own usage! How to use. The Countdown Timer has six preset time buttons, 10, 5, 3, 2, 1 minute and 30 seconds. To change the pre-set time on the button, long-press it. During the countdown, the timer announces remaining time at: Every 30 seconds till 1 minute.