Development status and trends of wearable smart devices on wrists

The emergence of wearable smart devices enables people to understand their health level in more details and efficiently process information. According to the physical form of the wearable smart device, this paper classifies the wearable smart devices into four categories and conducts the survey regarding the development of related technologies through in-depth investigations. Furthermore, this paper analyzes the development status and limitations of wearable smart devices and provides the basis for the prospect of wearable smart devices.