After transfer from different bags, the clip starts to stretch! Then the Fitbit inside detaches and you have to try to get everything back to how it was originally. Doesn't work well when it happened. Often the Fitbit does not record anything within this clip after it has been stretched. (The metal inside the clip appears to be peeling away from the outer rubber causing this). I WOULD RETURN THEM IF I KNEW THEY DID NOT WORK AS DESCRIBED!
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