MULTI FUNCTIONS: The main functions of the Kids 4G GPS smart phone watch include Global real time GPS Position/ Phone call/ Video call/ SOS call/ Voice chat/ Camera/ Gallery/ Phone book/ Alarm clock/ Silent Mode(Class mode)/ Geo fence/ Pedometer/ Historical route/ Math game/ Calendar/ Face unlock/ Music/ Video player/ Sound recorder etc. This Black kids 4g gps watches is a perfect Birthday Christmas present for your family Global Anti-Lost GPS Tracker Watch: The kids 4g gps tracker watch has a built-in GPS positioning device, a superb choice for personal safety. [Global Version]: This kids smart watch with gps tracker and calling can work very well in all countries, you can track watches location in real time anywhere, anytime 2-Way Phone Call & Video Call kids Watch: Besides serving as a personal tracker, these child gps tracker watches can also work as a cell phone to make phone calls and video calls Historical Route: Past locations of the gps tracker watch for teen in latest 90 days will be stored in system for your future checking SOS Emergency Phone Call: The one-button SOS design, when encountering danger, Long-press the SOS button, it will automatically dial the emergency contact number. This elderly kids emergency smart watch is undoubtedly a good tool Geo-fence Kids Smart Watch: You can set a safe area centering around the watch wearer, the global gps tracker watch will automatically raise an alarm in your phone application once the watch wearer leaves the area. You can also track multiple gps smart watch at the same time IP67 water resistant: You can wear the kids waterproof smart watch while washing hands or playing with water. It is best not to bath or soak in water while wearing it IMPORTANT OF The Kids 4G GPS Smart Phone Watch: To ensure the kids smart watch works properly as soon as possible, please use the following 4G Nano SIM cards: Speedtalk etc. Kids smart watch is suitable for Android and iOS systems Silent Mode (Class Mode): You can set silent mode in the watch then the watch will not influence your child during school time [Multi Functions 4g gps tracker watch]: The waterproof GPS smartwatch can be worn in shower or rain. The main functions of the 4g GPS smart watch include Real Time GPS Position, Phone Call, Video Call, SOS Call, Voice message, Camera, Photo Album, Phone Book, Alarm Clock, Class Mode, Safety Fence, Pedometer, Historical Route etc. This 4G gps smartwatch is a perfect Christmas birthday gift for your family. This 4g smart phone watch can work very well in all countries. Support SIM card：Speedtalk (from Amazon)/ US Mobile/ T-mobile.