Came across this Pulse Oximeter Finger Tip Pulse Blood Oxygen SpO2 Monitor [ebay.com]
on ebay for Sale for $11.99 (70% OFF).
The white ones i [ebay.com]
are also on sale for the same price.
No coupon needed.
It is designed to provide an affordable yet accurate way for spot-checking blood oxygen saturation levels and pulse rate. It helps athletes, and pilots to obtain accurate oxygen saturation readings very quickly. Its small size makes it easy to carry around in its soft carrying case. Simple operation allows it to turn on and off with the touch of a button. This Pulse Oximeter and Heart Rate Monitor is a battery electronics device that measures your SPo2 and heart rate PM and displays it right on the built-in LED display screen. This is not a medical device