Publisher's Description. From Mobi File Reader: Mobi File Reader is a free and simple file viewer for Mobi e-book files, it can help you to open a Mobi file and show its content. With a clean and friendly interface, this compact software is easy to use. In addition, this is a completely freeware, free for personal use.
You can sync your tracker using the Fitbit app on your compatible mobile device or Windows 10 PC, or by using a computer with Fitbit Connect installed. Fitbit apps are available for iOS, Android, and Windows mobile devices as well as Windows 10 PCs.
There is a difference between setting up a new fitbit and syncing one without the USB dongle. I don't think you can setup a new fitbit without the USB dongle. You can only sync one that has already been setup.