CE USB Wrist Pulse Oximeter Pulse Blood Oxygen Monitor 24 Hours SPO2 HR Recorder
◆SpO2 value display. SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2% (select larger). ◆With SpO2 value and pulse rate value of storage, the storage data can be uploaded to computers. ◆Pulse waveform display.