Genuine New Genuine Fitbit USB Bluetooth BT 4.0 Wireless Sync Dongle Adapter FB150 for FitBit trackers: Alta, Alta HR, Aria, Aria Air, Blaze, Charge/Force, Charge HR, Charge 2, Flex, Flex 2, One, Surge, Zip activity trackers to your online account.

Product Features Suits all activity trackers. Plugs into USB port to sync with FitBit trackers: Alta, Alta HR, Aria, Aria Air, Blaze, Charge/Force, Charge HR, Charge 2, Flex, Flex 2, One, Surge, Zip activity trackers to your online account. Package includes 1 Wireless Sync Dongle