Photo 1 of Pulse Oximeter O2 Ring Oxygen Monitor with Smart Reminder Sleep Oxygen Monitor Continuous Recording of SpO2 & PR, Blood Oxygen Saturation Rechargeable Pulse Ox with Free APP & Reports

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Photo 1 of Pulse Oximeter O2 Ring Oxygen Monitor with Smart Reminder Sleep Oxygen Monitor Continuous Recording of SpO2 & PR, Blood Oxygen Saturation Rechargeable Pulse Ox with Free APP & ReportsPhoto 2 of Pulse Oximeter O2 Ring Oxygen Monitor with Smart Reminder Sleep Oxygen Monitor Continuous Recording of SpO2 & PR, Blood Oxygen Saturation Rechargeable Pulse Ox with Free APP & ReportsPhoto 3 of Pulse Oximeter O2 Ring Oxygen Monitor with Smart Reminder Sleep Oxygen Monitor Continuous Recording of SpO2 & PR, Blood Oxygen Saturation Rechargeable Pulse Ox with Free APP & Reports