smartphone. The tracking feature is useful feature where you can keep track of your activities or let others know your location.
You can start/stop tracking using the device only by holding down the tracking button (middle) until the LED flashes.
the other method is to use the Earthmate app either on for iOS or Android. The app also includes additional information such as a map display of the track, the number of points sent, time started, time sent, next time to send.
By default a waypoint is sent every 10 minutes but you can adjust it via the earthmate app to 10 min, 15 min, 30 min, 1 hour, 2 hours and 4 hours.
If you are stationary the device will send a waypoint every 4 hours or if your position changes by 100m it will resume the set interval.