SOS Emergency Dialing.Display the Time, Date, AlarmMonitor the environment remotelyHistorical Trace PlaybackRequires SIM Card to make phone calls Just like a Smart phone, this watch supports Two-Way Call, GPS positioning, SOS emergency call, Activity Tracking, Voice Chat, Anti-Throw, Remote Voice Monitor, Clock, etc.Parents can Control and set The watch through the APP.( Remote Voice Monitor: set the voice monitoring number in the application, dial the number, the watch will automatically answer without reminding.