Plus Oximeter ChoiceMed Product Specifications – Finger Pulse Oximeter – Displays pulse rate, blood oxygen saturation, and pulse waveforms. – Measures pulse and blood oxygen saturation. – Easy to use and portable. – Two display directions. – Auto shut-off after 16 seconds. – Includes operating instructions. – Suitable for home and medical center use. – Suitable for people with heart, lung, and asthma conditions. – Alerts in critical situations. How to use the pulse oximeter? Remove any jewelry or nail polish. Warm your hands if they are cold. Relax for at least 5 minutes before taking the readings. Place your hand on your chest, aligned with your heart, and hold it still. Turn on the device and place it on your finger, preferably the middle or index finger of whichever hand you prefer. Hold the device on your finger for a minute or more. If no reading appears, record the highest reading. If no reading appears within 5 seconds, make sure you differentiate between the oxygen saturation reading and your heart rate reading displayed on the screen. If you experience any of the following symptoms, consult your doctor: increased heart rate, chest pain or shortness of breath, bluish discoloration of the face, lips, or nails, a cough that worsens over time, difficulty breathing or shortness of breath, general discomfort, or restlessness.