Wireless Digital Finger Pulse Oximeter

FEATURES BRIGHT OLED DISPLAY & MULTI-DIRECTION DISPLAYAdvanced dual-OLED screen technology helps user gain a clearer & sharper vision of pulse oximeter information. Also, users can see the Heartbeat bar chart and Plethysmograph on this OLED screen. Four directions display can allow the user to view conveniently the tested result in any direction.  ACCURATE and RELIABLEFingertip Pulse Oximeter can accurately determine your SpO2 (blood oxygen saturation levels) and PR (heart rate) after clinical and professional tests, rapid SpO2 readings, pulse measurements and display it conveniently on a large digital clear OLED display.  ALARM & PULSE RATE SOUNDWhen detecting your pulse, the pulse oximeter will make noise indicating pulse beating rate. If the pulse oximeter has detected your heart rate and SpO2 in an irregular state, the pulse oximeter will be an alert to alert the user to their body's condition. Also, you can set the limit by yourself and or to the alarm sound eff