LED Pulse Oximeter Finger Pulse Blood Oxygen SpO2 PR Monitor BKH-324889 1 x Shockproof Silicone Cover

1 x Shockproof Silicone Cover for iPad Mini 1/ 2

Material: White maple

SMALL R Kid Smart Watch gets the current position faster and more accurate

Dust Cleaning Design is convenient for users to clear dust easily

LED Pulse Oximeter Finger Pulse Blood Oxygen SpO2 PR Monitor BKH-324889 1 x Shockproof Silicone CoverProduct Features: Item Type: Finger Pulse Oximeter Target Position: Finger Oxygen Saturation Range (%SpO2): 35% to 100% Pulse Rate: 2 bpm Target Position: Finger SpO2 Measurement Range: 70~100% Resolution: + 1% SpO2 Accuracy: + 2% (70%~100%), unspecified (<70%) Pulse Rate Measurement Range: 30~240 bpm Pulse Rate Accuracy: Accuracy: 2bpm or 2% (select larger) Working Current30mA Supply Voltage: 2. 6 3. 6V Power Options: two 1. 5V AAA batteries (Battery