Blood Oxygen Meters

A device for measuring the percentage of oxygen saturation in the blood for adults by means of a finger Heart rate measurementHigh efficiency small size Stylish designBattery type 2*AAA..

Dual color oled screen displays waveform and pulsebar6 display modes with adjustable brightnessBattery low indicator and automatic power-off function2AAA alkaline batteries required for operationSuitable for both adult and children and 2 year replacement warranty from the date of purchase..