Provide the best considerate care for them. Within seconds, you’ll have an accurate reading of you SpO2 levels and pulse rate. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
This is a companion discussion topic for the original entry at https://www.ebay.com/itm/Fingertip-Pulse-SpO2-Oximeter-Blood-Oxygen-Heart-Rate-PR-Finger-Test-Monitor-/383719055551