Photo 1 of ***only device and batteries*** mibest OLED Finger Pulse Oximeter O2 Meter Dual Color White/Black

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Photo 1 of ***only device and batteries*** mibest OLED Finger Pulse Oximeter O2 Meter Dual Color White/BlackPhoto 2 of ***only device and batteries*** mibest OLED Finger Pulse Oximeter O2 Meter Dual Color White/BlackPhoto 3 of ***only device and batteries*** mibest OLED Finger Pulse Oximeter O2 Meter Dual Color White/Black