Thanks to growing demand for chronic disease monitoring, long-term care, and self-management of health, the business potential of mobile health wearables has surged in recent years. ICT vendors have attempted to tap into the mobile health market with their hardware and software solutions, and cloud computing technologies; however, no large-scale medical applications have been carried out thus far. This report analyzes opportunities and challenges faced by ICT vendors when developing mobile health wearables and looks into leading international vendors' developments with an aim to provide insights for the future.