We have our own independent patent certificate, also have many certificates including CE,ROHS,FCC etc.. Our products support Bluetooth connectivity and can be used for health detection, fitness management and smart touch control, including: blood pressure, blood oxygen, body temperature, mood detection,heart rate,sleep, fitness pedometer and SOS phone call for help function. Our products are exported to 100+ countries with customers all over the world.Our factory is located in Shenzhen, with a total of 300 people, we have 22 design and development experts who can design their own appearance, We have professional R&D laboratory and reliability testing laboratory, and rich experience in intelligent production and quality control. and we are committed to providing you with professional and satisfactory service. Our vision: To become the world's leading Supplier of smart ring products, and to be an excellent partner for users to explore the intelligent and healthy life!