Continuously tracks and records oxygen level, heart rate and steps on a mobile device via Bluetooth Free APP & PC Software saving and sharing your report which you could share with your doctor Vibration feedback when the blood oxygen level out of the threshold you preset on the App 4 records, up to 10 hours for each Use Time: est. 16 hours
** Please be sure to measure the ring size to ensure a proper fit before purchasing. Once the product is opened, returns or exchanges will not be accepted due to size issues.
** Please be sure to measure the ring size to ensure a proper fit before purchasing. Once the product is opened, returns or exchanges will not be accepted due to size issues.
The JCRing ring sizing kit is the ideal tool for finding the perfect ring size, allowing you to easily measure your finger size and ensure you find the ideal fit for optimal comfort before purchasing a JCRing Smart Health Ring.