GOOQ Bluetooth USB Wireless Sync Dongle, tiny and small appearance, convenient to use, just keep this device plugging into the USB port on your computer, you can sync your tracker to your Fitbit.Small and lightweight design more convenient to carry. Easy to use. Plug and Play. Can we synchronize our Fitbit data wirelessly? The answer is YES How does this Wireless Synchronized USB Dongle work? 1. Download Fitbit App to your system. 2. Setup your account online as per App instruction. 3. After account is setup, data will automatically synchronize through dongle to your account. Brief and Fashion design with Simple Style: Lightweight size with simple style can be used when you travel and go on business. Bluetooth USB Dongle replace the Fitbit cable, you can study and work wherever pleasantly, and enjoy your life. Note: 1. Plugs into USB port and sync with your Fitbit within 1 meter (3.3 feet). 2. Please remember to download the Fitbit App before plug it into the computer. 3. In order to save battery for your phone, close the dongle when you don't synchronize. Compatible with Fitbit One/Flex/Charge/FORCE/Charge HR/Surge/Blaze/Alta and Fitbit Charge 2 activity tracker USB Dongle Bluetooth to replace the Fitbit cable. Synchronize Fitbit data wirelessly With output short circuit, over voltage and overload filter protection prevent your device being damaged by overcurrent NOTE: It does NOT work for FITBIT ZIP MODEL, please pay attention to it before you are buying Note: The best syncing distance between the fitbit tracker and dongle is within 1m(3.3 feet)