4G Full Network Access and Independent Calling: This smartwatch supports 4G full network access. Users can insert a SIM card for independent calling and internet access, allowing them to communicate without relying on a phone. Health Monitoring: The watch features health monitoring functions such as heart rate monitoring and sleep monitoring, helping users track their health in real time. This is very useful for those who care about health and fitness. NFC Payment and Video Calling: Supporting NFC near-field communication (NFC), users can make quick payments using the watch. It also supports video calling, adding convenience and entertainment to communication. This smartwatch integrates 4G full network access, health monitoring, and NFC payment features, providing users with a convenient and comprehensive smart wearable experience.