OLED display / Two color OLED display
Low power consumption
Measurement range: 70-99%
Accuracy: ±2% on the stage of 80-99%
±3% on the stage of 70-79%
Measurement range: 30-240 BPM
Accuracy: ±1BPM or ±1%
Continuously four direction adjustable
Automatically power off in 8 min
