Smart Hero 4G app is Masstel's Smart Hero 4G kids GPS watch management app. By linking the GPS watch with the Smart Hero 4G app, you can accurately capture your child's real-time movements, allowing them to talk and chat with their parents and friends, listen to music to tell stories, play games, etc
Main function:
[Positioning] Determines your child's real-time location.
[Electronic fence] Set up an electronic fence to receive alerts for children entering and leaving a specified area.
[Journey History] Review your child's movement history.
[Phone] Only call by specified list or receive all incoming calls.
[Chat] Supports voice, image, text, emoticon chat, group chat and single chat support.
[Alarm] Multiple alarms can be set.
[Classroom Mode] Prevent children from being disturbed during school hours.
[Auto power on / off] Parents can schedule clock on / off time from the App.
[Emergency Call] With the touch of a button, children can make emergency calls to parents' phone numbers.

Advanced functions:
[Video Call] Live video call between kids and parents.
[Listening to music] Children can listen to children's songs to relax after intense school hours.
[Telling] Children can listen to fairy tales that have been selected to discern good from bad, respect their parents and grandparents ...
[Video entertainment] Warehouse of cartoon movies, children's music videos are built into the watch.
[Learning] Through the quiz app on the clock, children can participate in Brain Practice by answering fun multiple-choice questions, or can participate in multiple-choice competitions organized by Masstel period.