1. Wearable devices monitors human activities through electronic sensors,and they are at the consumer electuonics level.It's normal for certain deviation.The user should treat data objectively.
2. Please do not compared to hospital equipment about reading,it is NOT a medical device !
3. You need to download corresponding APP to use some functions of the bracelet normally.
1 * Smart bracelet
1* User Manual
1* 100% Original box
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