NOTE:
Compatible with Fitbit One, Flex, Force, Charge, Charge HR, Surge, Blaze, Alta, Alta HR activity trackers.
It not work for FITBIT ZIP MODEL, please pay attention to it before you are buying.

Package includes:
1 x Replacement Dongle for Fitbit Trackers.

How to use the dongle:
Step1 :Install fitbit software.
Step2 :Plug the dongle into your computer USB port.
Step3 :Just use the software search your Fitbit Surge/Charge HR/Charge/Force/Flex/One/Blaze/Alta/Alta HR, Your Fibit Band is always open.
Step4 :wirelessly sync with your computer and automatically display your latest stats.

Nogis USB Fitbit Wireless Sync Dongle:
The ability to wirelessly sync with your computer is great, and it allows you to check on your daily progress without having to get your smartphone out of your pocket.
If you're working at your computer with the dongle installed,you can just fire up the Fitbit website in a browser,and it will automatically display your latest stats.
It is, however, slightly odd that you need to use the dongle even if your computer is Bluetooth 4.0 enabled.