Just in are replacement Fitbit Charge and Flex USB charging cables. Dont wait 3 weeks on a back ordered cable - Mobile Mob dispatches items within 1-2 days.
Or maybe you need a new Fitbit Flex replacement wrist band? .... we now have them too - available in 10 awesome colors, and each ships with a metal clasp. They also come in two sizes; Small and Large.
The product links are below:
"Fitbit Flex" charging USB cables here
"Fitbit Charge" charging USB cables here