1.Privacy Policy:http://wad.zmapp.com:9022/watch/en/se.html2.New childrens social modelIn-app Voice intercom, group chat, text chat3.Multiple hybrid positioningSupport WIFI, GPS, base station and other positioning methods, support track query, electronic fence4.Call functionTwo-way conversation, one-button monitoring, rejecting strange calls5.Time management system associated with the curriculumCourse Management: The APP can set the childrens curriculum.Class lock: set the class time for each class. During the class time, the watch can only watch the time. Dont worry about the distraction of the children.