The functions of a children's smartwatch are as follows: 1. Answer and make phone calls: Children can use the shortcut key to call their parents * * (long press for 3 seconds), and can also set family numbers to call each other; 2. Child positioning: Parents can use their phones or computers anytime and anywhere to locate their children. The product uses dual positioning with GPS and base station, and the accuracy can be within 10 meters in outdoor conditions; 3. Call back monitoring: Parents can implement call back monitoring function through the APP to instantly understand the situation of the child's environment; 4. Block external information and harassment: Block all access to unfamiliar phone numbers other than family numbers to prevent children from being abducted and deceived; 5. Non disturbance function: It can be set that during a certain period of time, the children's machine cannot perform any operations, and no number can be dialed out or in. Effectively avoiding the inconvenience caused by mobile phones to teachers in the classroom; 6. Electronic fence: Areas can be designated on mobile phone maps, such as schools, homes, etc. When children enter and leave this area, parents' phones will receive SMS alerts to keep track of their children's progress, ensure safety, and facilitate management; 7. SOS one click rescue: If the child presses and holds the SOS button for 5 seconds, the parent's phone will receive an SOS distress message after 3 seconds, which includes the rescue time and specific location. The call back monitoring function will automatically activate around 10 seconds to allow parents to hear the sound around the child and accurately understand what dangerous situation the child is facing; 8. Track query: It can provide the movement position of children within a certain time period, and through real-time positioning, the direction of children's movement can be understood in unexpected situations.