Sure, it looks like a scary contraption you’d see in your doctor’s office, but the iHealth Pulse Oximeter offers athletes or anyone with breathing difficulties, heart issues or other health challenges a noninvasive way to check their blood oxygen saturation (SpO2) and pulse rate (BPM) on the fly. These stats are displayed on both the fingertip fob’s LED screen and on iHealth’s MyVitals app for Android and iOS-enabled devices. ($70, ihealthlabs.com)
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