Weighing only 13g, this ultra-light ring pulse oximeter is designed for all-night comfort and secure wear, making it ideal for sleep monitoring. It fits most adult fingers comfortably and stays in place without slipping, even during long hours of rest. The device continuously and accurately records blood oxygen saturation (SpO₂) and heart rate every 4 seconds, giving you detailed insight into your nighttime health data without disturbing your sleep.
This stand-alone ring pulse oximeter features built-in memory, allowing you to simply wear it overnight and sync data to the app the next morning—no phone connection required during sleep. The intelligent app displays second-by-second data and generates professional sleep reports with clear trend graphs for easy review. Powered by a rechargeable lithium battery, it delivers up to 12 hours of battery life, making it a reliable, lightweight solution for overnight SpO₂ and heart rate tracking.