The most reliable wearable pulse oximeter is part of our solution - the Nonin 3230. Carry this device if you are at high altitude, if you sleep at high altitude, or simply want to train for altitude in a hypoxic tent.
Track your pulse rate and oxygen saturation in real time. Save all your data for review. Set alerts.
Tested in the Himalayas, this pulse oximeter is a high quality device that will give you accurate readings that are of medical quality.
Caution: Federal law restricts this device to sale by or on the order of a physician.