Sync wirelessly to PC and Mac with included dongle. Syncs automatically within about 20 feet of wireless USB sync dongle. Icludes: Silicone and metal clip; Wireless sync dongle; Replaceable Battery; Battery door tool; Free Fitbit.com membership - includes ability to log in and track activity, food, water, body mass, weight and more.
Wirelessly and automatically sync with nearly 100 Android, iOS and Windows devices using Bluetooth Low Energy technology. See www.fitbit.com/devices for a current list of compatible models.