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.