At a Glance: Tracks steps, distance, calories burned, with a silent alarm Syncs automatically to your computer or select mobile devices via Bluetooth 4.0/Bluetooth Smart Set goals, view progress with charts and graphs, and earn badges Share and compete with friends throughout the day Free iPhone and Android Apps Small and discreet - wear in pocket, on belt or bra Log food, weight and more on Fitbit's website or apps Sweat-, rain-, and splash proof Rechargeable battery A lot of power, a little device Monitor your day with the Fitbit One - this tracker aims to empower and encourage you by delivering real-time feedback that helps you be more active. Why not take the stairs instead of the elevator? Or go for a quick walk after lunch? Those steps will add up fast. One tracks steps taken, stairs climbed, distance travelled and calories burned. Powered by Fitbit's leading-edge accelerometer and altimeter, the One accurately captures all-day activity that old-school pedometers can't handle. It bases calculations like calories burned on your personal profile - reflecting your stats.
Fitbit Zip Wireless Activity Tracker (2-Pack
2 3V lithium batteries
2 USB dongles
2 battery tools