Easy to Read LED Display
Suitable for Persons with Heart Failure , Chronic Obstructive Pulmonary
Diseases . bronchial Asthma
Suitable for sports at High Altitudes
Low Power consumption, continuously work for 6 hours
Supply voltage : 2.6 to 3.5 volt 1.5 volt x 2 (AAA size battery, Not included)
Automatically power off when no signal in the oximeter.
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