[Voice chat and video search] For children, this 4G smart watch provides a clear picture of the welfare of their children by making parents always communicate with their children. In addition, children can socialize and communicate with their partners through the telephone clock. If the sauce button is pressed for a long time, the emergency assistance will be called immediately and will continue to search for 3 pre -programmed sauce number until one responds. It three different monitoring options and allows users to create personalized zones. If the child comes out of the specified area, notifications will be sent to the user's phone. The smart watch is compatible with Android and iOS devices and requires a SIM card ..[ ] Charging the child clock completely before using it for the first time, and then press and hold the power button to open it. Designed to be compatible with all smartphones, this watch has a durable battery with a design that saves power. You can use it longer without sacrificing performance ..[ Water resistant]- This clock, which is made of first class waterproof materials, has been tested professionally to wash their hands and ensure that they are not worried about the rainy day. Please note that the watch should not be dipped in deep water for a long time like swimming. SIM cards are not included in the package! After installing the SIM card, you need to restart the clock and make sure that there is a 4G sign on the screen after the card is installed.