Fitbit.com, Amazon.com and BestBuy.com all sell replacement Fitbit sync dongles, as of 2015. Fitbit and Amazon.com sell the dongle for $19.95, while BestBuy.com sells it for $19.99.Continue Reading
Owners purchase replacement dongles from Fitbit by navigating to its website and clicking Store on its home page. The link to purchase the dongle is near the bottom of the store page.
Fitbit users purchase sync dongles from Amazon.com and BestBuy.com by navigating to their websites, typing "Fitbit Wireless Sync Dongle" in the search bar and clicking the search link. BestBuy.com offers home delivery and store pickup. Amazon offers free shipping on orders over $35.Learn more about Customer Service