For Fitbit Blaze/Charge / Charge HR / Surge / Flex / Force / One, KIOP Bluetooth Wireless Sync Dongle USB Compatible with all fitbit activity trackers: for FFitbit Blaze/Charge / Charge HR / Surge / Flex / Force / One deal for second laptop or computer Plugs into USB port Color: Black Compact and lightweight Design ,Convenient for travelers and business users