Place of Origin
Guangdong, China
Instrument classification
Class I
Heart Rate measuring range
30bpm~300bpm
Accuracy
±2 bpm or ±2%(select larger)
SpO2 measuring range
0%~100% (the resolution is 1%)
Pulse Rate measuring range
30bpm~250bpm
Power Supply
3.7V Lithium Battery
Battery working hour
It can last more than 20 hours when the power is full.