Wellue O2ring Bluetooth Pulse Oximeter, Rechargeable Blood Oxygen Saturation Monitor, Real-time Tracking of Oxygen Level and Pulse Rate with ViHealth APP
- SLEEP TRACKING: Continuously tracking oxygen level, pulse rate and Perfusion index for the whole day..
- PORTABLE AND COMFORTABLE: 16-hour battery life and comfortable soft ring design for the whole night wearing and tracking..
- REMOTE TRACKING: With remote linker, family members can view your real-time SPO2 & HR no matter where they are.(They need to keep the App open).
- BUILT-IN MEMORY: The last four groups of 10-hour data can be stored in the O2ring. Does not require real-time connection to your phone..
- EASY TO RECORD: Quickly and accurately transfer historical data to APP via Bluetooth. No more manual record needed..