Stopwatch

Để sử dụng ứng dụng này như sự kiện thể thao, chạy nước rút là ví dụ điển hình.

The device is used when time periods must be measured precisely and with a minimum of complications.

The stopwatch function is also present as an additional function of many electronic devices such as wristwatches, cell phones, portable music players, and computers.