![Amazon.com: Compatible with Fitbit Dongle USB Wireless Sync Dongle for Charge 4/Varsa 2/Versa Lite/Ace2/Charge 3/Flex 2/Charge 2/Alta HR/Blaze/Surge/Charge HR/Flex/One Tracke : Electronics Amazon.com: Compatible with Fitbit Dongle USB Wireless Sync Dongle for Charge 4/Varsa 2/Versa Lite/Ace2/Charge 3/Flex 2/Charge 2/Alta HR/Blaze/Surge/Charge HR/Flex/One Tracke : Electronics](https://m.media-amazon.com/images/I/4178+gh1KJL._AC_SY1000_.jpg)
Amazon.com: Compatible with Fitbit Dongle USB Wireless Sync Dongle for Charge 4/Varsa 2/Versa Lite/Ace2/Charge 3/Flex 2/Charge 2/Alta HR/Blaze/Surge/Charge HR/Flex/One Tracke : Electronics
Fitbit Support on Twitter: "@TheTopNach 2/2 Then sync your Fitbit Blaze again to the Fitbit app." / Twitter
![Amazon.com: Compatible with Fitbit Dongle USB Wireless Sync Dongle for Charge 4/Varsa 2/Versa Lite/Ace2/Charge 3/Flex 2/Charge 2/Alta HR/Blaze/Surge/Charge HR/Flex/One Tracke : Electronics Amazon.com: Compatible with Fitbit Dongle USB Wireless Sync Dongle for Charge 4/Varsa 2/Versa Lite/Ace2/Charge 3/Flex 2/Charge 2/Alta HR/Blaze/Surge/Charge HR/Flex/One Tracke : Electronics](https://m.media-amazon.com/images/I/61fTcNGPe1L.jpg)