1.This Bluetooth Pulse oximeter is one of the most important parameters to monitor ICU patients, and it must be highly accurate, stable and intolerable to mistake. This delicate BT pulse oximeter for personal use is crafted by this manufacturer under the hospital grade at the same accuracy & stability level.
https://www.amazon.com/oximeter-Fingertip-Saturation-Monitor-Batteries/dp/B083592QSD

