User Manuals, Instructions and Guides for CSSR9 products.
CSSR9 CSS R9 Health Smart Ring User Manual
Learn how to use the CSS R9 Health Smart Ring with these detailed product information and instructions. Monitor your heart rate, blood oxygen levels, ECG, sleep patterns, and more easily with this innovative device. Follow the step-by-step guide for first boot, pairing, wearing tips, and troubleshooting FAQs.