marevic Fingertip Pulse Oximeter, OLED color large screen heart rate monitor for any age Fingertip Pulse Oximeter  (pink white)

Accurate and fast: 5-8 seconds to display the oxygen saturation reading parameters, SpO2 value range 0-100%, PR value range 25-250 BPM, note that the measurement should be carried out before or after exercise rest Color screen: the oximeter adopts advanced chip and DSP algorithm, compared with other oximeters, the power consumption of this pulse oximeter is good for the environment WIDE USE: The oximeter is designed with natural latex finger cuffs and is widely used by children, teenagers, adults and seniors. This device is for sports or aviation use only, non-medical use Unique design: Oximeter battery holder adopts reverse battery spring design, which is conducive to the correct installation of the battery