Nonin GO2 Achieve Fingertip Pulse Oximeter - $73.93

Accurately measure your oxygen saturation and heart rate during exercise with the Nonin GO. GO. Individuals who need a pulse oximeter due to a medical condition should contact a physician. Monitoring the oxygen saturation of your blood along with heart rate can help you get the most out of workouts and keep you healthy when flying or trekking at high altitudes. Maintaining an oxygen saturation between 90% to 98% during activities will keep you performing at your best. Simply slip the oximeter onto your finger to check your oxygen saturation and pulse while on the go. 2 separate light beams shine into the blood circulating in your finger; the light beams reflect the amount of oxygen in the blood, which is expressed as a percentage. Compact size lets you take it on hikes and runs or keep in a handbag. Accommodates a finger size range from 0.3 in. to 1 in. Operates on 1 AAA battery (included), which provides up to 2,400 spot checks. - $73.93