This APP is mainly used for functional interaction between parents and children's watches, and the main functions are as follows: Location positioning: GPS+WIFI+LBS+G-sensor and other multiple accurate positioning, automatically record the route track, and can set a safe area, positioning mode switching; Video or voice chat: video calls, voice micro-chats, and multi-person family voice micro-chats can be made between the APP and children's watches; Device management: APP can bind multiple children's watches, manage the phone book of children's watches, remotely shut down or restart the watch, find the watch, delete the watch, set alarm clock reminders, and set the class disabling time; Other functions: sports step counting, power display, etc