Lifetrak is an amazing company. Despite all her dignity, she never behaved aggressively in the market.
How the Lifetrak C400 works
The C400 draws attention to itself. It came to replace a couple of hours (C300 and C320) and got the ability to synchronize with a smartphone, which was not in the youngest version.
To start the measurement, you need to press and hold the button, if possible, without touching the skin.
Lifetrak also allows you to observe the dynamics of the pulse in the interval of about 30 seconds, while you hold the button, which allows you to see the trend and understand whether it tends up or down. And then, as recommended, just multiply the number by 2 and get the heart rate in a minute.
Lifetrak performs its business with an accuracy comparable to the reference heart rate meters of the leading brands. In the video below - a comparison of the work of Lifetrak and Mio Alpha.
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