OLED Display: Many models have a clear, high-visibility OLED display for easy reading.
Versatile Use: It can be used at home, in a medical setting, or during physical activity.
Battery Operated: Most models are battery operated, making them portable and easy to use anywhere.
Alarm Function: Some models have an alarm function to alert users when SpO2 and pulse rate are beyond set limits.
Automatic Power Off: To save battery life, many models have an automatic power-off feature.
FDA Approval: It’s recommended to choose a device that has FDA approval for accuracy and reliability.
Limitations: Certain variables, such as having a dark skin tone, can affect the results of an oximeter reading. Other factors that may skew readings include skin temperature, poor circulation, use of fingernail polish, skin thickness, and current tobacco use.