prision sex my arm to answer the phone??!">
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If you are sleeping it detects light activity.
Flag Post Message 4 of 6.
Again, this is my speculation.
For example, if you did 50 ladyboydating, your hand is relatively stationary so there is no way for the device to really measure your motion.
Therefore, without tracking heartrate, how does the Flex 2 actually tell me how many calories I've burned throughout the day?
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