Wearable devices monitors human activities through electronic sensors,and they are at the consumer electronics level.It's normal for certain deviation.The user should treat data objectively.
$ 40.42
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Wearable devices monitors human activities through electronic sensors,and they are at the consumer electronics level.It's normal for certain deviation.The user should treat data objectively.
$ 49.21
$ 63.97
$ 37.00
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