... 4 directions, 8 display Finger Pulse Oximeter with CE approvedFunction:1,Monitoring pulse, SpO2,PR(Pulse Rate).2,Displaying volume and column ... clinical , it can be used before or after sports .Specification:Display 64K color OLED SpO2 Measurement range: 35~99% ... Resolution: ± 1% Accuracy: ± 2% (70%~99%), unspecified (<70%) Pulse rate Measurement range: 30~255 bpProduct Properties:1 Operation of ...