Belun Technology, founded in 2016, is a company formed by experienced researchers who specialize in adapting self-developed patent technologies into home use medical devices. Their wearable medical devices measure oxygen saturation, pulse rate, respiratory event index, and motion, providing a report to indicate sleep apnea risk. Belun's products aim to help patients suffering from apnea improve their sleep health by allowing them to monitor and manage their health at home. The company focuses on developing reliable medical devices and solutions for both the medical and consumer sectors, with their flagship product being the Belun® Ring, which supports clinical diagnosis and wellness management.