Buying Link: https://s.click.aliexpress.com/e/_BfZ78Kz1 Specifications Main Features: Heart rate, ECG, Blood pressure, Blood oxygen, Pedometer, Stopwatch, …
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Buying Link: https://s.click.aliexpress.com/e/_BfZ78Kz1 Specifications Main Features: Heart rate, ECG, Blood pressure, Blood oxygen, Pedometer, Stopwatch, …
source