Wellue O2Ring Pulse Oximeter Ring Continuous SpO2 Heart Rate Monitor Bluetooth

• Wellue O2Ring continuous ring pulse oximeter: tracks blood oxygen saturation (SpO2) and heart rate every second• Smart vibration reminder alerts immediately when low oxygen, low pulse rate, or high pulse rate is detected• Bluetooth with free app, plus PC software reports you can share with your doctor• Comfortable ring sensor (fits finger circumference 50-76 mm) with wrist display showing SpO2 and pulse• Rechargeable battery, up to 16 hours of continuous use; includes the O2Ring, charging cable and user manual• Brand new