fitbit question

I am looking at the fitbit, and am trying to figure out what the difference is between this
https://mystore.24hourfitness.com/product_details.php?item=898628002007&pf_id=898628002007
and
http://mystore.24hourfitness.com/product_details.php?item=898628002014&pf_id=898628002014

other than price? I've tried googling in this AM, but am coming up blank :P

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