Transmit location information at regular time intervals.In consideration of long-term use in environments with poor radio conditions such as the outdoors, settings can be made to reduce battery consumption.• Turn off the GPS except when making a call.• Select the airplane mode except when making a call. (Only compatible with Android 4.1 or lower)The sharing partner can check the location by using "Map communication" of the Android application.It is also possible to display the position on Google map.You can also upload files in GPX format.You need a Gmail account.Compatible with Android 4.0 or higher.