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ChoiceMMed MD300W628 Wrist Pulse Oximeter Bluetooth USB with Vibration, respiration rate and memory records overnight sleep oximetry data prints out SpO2 and heart rate data. Free app apnea detection. iphone oximeter, android
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CMS50F OLED Wrist Pulse Oximeter Smart Watch USB Blood Oxygen Saturation Heart Rate Monitor with Type-C SPO2 Probe Software - AliExpress
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