ST520 AI ECG Smart Health Ring | ECG, HR, SpO₂, Sleep & Multi-Health Monitoring – Smart Wearable Manufacturer for Brands Worldwide

The ST520 AI ECG Smart Health Ring combines advanced biometric sensing with an elegant ring design to deliver continuous health monitoring without sacrificing comfort. Featuring ECG measurement, AI heart health analysis, heart rate, blood oxygen, body temperature, blood pressure, sleep tracking and multi-sport recording, it provides users with valuable wellness insights anytime. Powered by Bluetooth 5.3 with low energy consumption and a portable magnetic charging case, the ST520 is an ideal OEM/ODM wearable solution for healthcare brands, smart wearable companies and global distributors seeking a premium smart ring platform.