It is intended for spot-check and/ or continuous data collection, and not continuous monitoring. Smart Vibration & the Beep Built-in vibration notifications alert you to unusual readings, allowing you to adjust your activity as needed.
Wellue O2 Ring Rechargeable Wearable 0xygen Monitor Ring & Heart Rate Tracking
Wellue Adult Ring SpO2 Sensor SpO2 Probe Compatible with SleepU O2 Max Oxiband
Wellue Checkme O2 Max Smart Wrist Pulse Oximeter Heart Rate Monitor
Refurbished Wellue O2Ring Pulse Oximeter with Vibration Alarm & App/PC Software
Wellue O2Ring S Bluetooth Pulse Oximeter OPEN BOX
US seller Finger Pulse Oximeter Blood Oxygen Sensor O2 SpO2 Monitor Heart Rate