Why should the bracelet be tight when measuring heart rate?

May. 19, 2021

The bracelet adopts the principle of light reflection. After the light source penetrates the skin, it collects the signal reflected by the sensor to calculate your heart rate. If it is not worn tightly, the ambient light will enter the sensor, which will affect the measurement accuracy.

It is suggested that when wearing the heart rate measuring bracelet, it should be put in the position of the wrist bone, that is, the correct position should be under the joint bone of the wrist where there is a lot of meat. If the band is too loose, it will cause light leakage and affect the accuracy; In addition, in the case of no motion, shaking hands for a long time will also lead to algorithm judgment error.

How to clear the data on the smart heart rate watch (bracelet)? Does the smart watch (ring) have large radiation?

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