The device is suitable for use in family, hospital, oxygen bar, community healthcare and physical care in sports, etc. (It can be used before or after exercise, but not recommended to use during exercising).
Technical Features
Anti-natural light interference
Work well under weak perfusion index
Perfusion index, pulse rate waveform and battery indicator
Battery type: two 1.5V AAA alkaline batteries
Working voltage: DC 2.2V~ DC 3.4V
Free APP:Berry Smart Health