... pulse, SpO2,PR 2.Supply OEM service 3.CE,ISO9001,13458 certification 4.more than 30 hours continuous operation Fingertip Pulse ... Oximeter Function:1,Monitoring pulse, SpO2,PR(Pulse Rate).2,Displaying volume and ... used before or after sports . Specification:Display 64K color OLED SpO2 Measurement range: 35~99% Resolution: ± 1% Accuracy: ± 2% (70 ...