Beep Test
Andy McCaslin
0:00 / 0:00
Beep Test
1 067 978 просмотров · 10 лет назад
Andy McCaslin
618 подписчиков
1 067 978 просмотров · 10 лет назад
Start each interval on the beep. Wait for beep to leave. Two consecutive missed beeps is the end of the test.
