I received few years ago my vital bracelet be. Is It normal to last less then 6 hours with a full battery? I am starting to think It Is defective. I only charge it to my laptop with its cable and i use it for about 3 sessions of exercises of 15/20 minutes per day. For the rest of the time It Is in standby... 6/7 hours seems a Little low. What do you think? Can you help me? I
#about the battery duration
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