Pulse Oximeter
A pulse oximeter is a portable fingertip device that measures blood oxygen saturation (SpO2) and pulse rate for personal health monitoring.
Estimated value as of 2026 · Source: Previous known value and consistent with consumer fingertip device pricing; sear…
Fun Fact
High-end models with data-tracking apps can cost up to $300, but basic fingertip versions praised for accuracy often retail under $30.
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