Meet the iHealth PO3 Pulse Oximeter: an iPhone-compatible oximeter that measures your blood oxygen saturation and pulse rate. You will be able to view trends, organize your data, and share your results with friends and family members. The device automatically shuts off after 8 seconds. The design is lightweight and portable.
The iHealth PO3 Pulse Oximeter is compatible with iOS devices, including iPads. It simply helps you make better sense of your workouts. Sets you back under $56 at this time.