Beep Test
Andy McCaslin
0:00 / 0:00
Beep Test
1 070 423 просмотра · 10 л. назад
Andy McCaslin
619 подписчиков
1 070 423 просмотра · 10 л. назад
Start each interval on the beep. Wait for beep to leave. Two consecutive missed beeps is the end of the test.
