可从
安装此 Fitbit 手机应用程序
安装此 Fitbit 手机应用程序
说明
StopWatch for interval runs.
This stopwatch is customizable directly from the watch itself.
You can chose the interval time wanted in the setting menu.
By clicking on "Run" the stopwatch starts to count in "Run" mode.
When the time is over, it passes in "Rest" mode.